861475428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1978

約数の個数: 144

約数和(自身を含む): 2542962240

約数和(自身を除く): 1681486812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 61, 66, 76, 99, 114, 122, 132, 171, 183, 198, 209, 228, 244, 342, 366, 396, 418, 549, 627, 671, 684, 732, 836, 1098, 1159, 1254, 1342, 1877, 1881, 2013, 2196, 2318, 2508, 2684, 3477, 3754, 3762, 4026, 4636, 5631, 6039, 6954, 7508, 7524, 8052, 10431, 11262, 12078, 12749, 13908, 16893, 20647, 20862, 22524, 24156, 25498, 33786, 35663, 38247, 41294, 41724, 50996, 61941, 67572, 71326, 76494, 82588, 106989, 114497, 114741, 123882, 142652, 152988, 185823, 213978, 228994, 229482, 247764, 320967, 343491, 371646, 392293, 427956, 457988, 458964, 641934, 686982, 743292, 784586, 1030473, 1176879, 1259467, 1283868, 1373964, 1569172, 2060946, 2175443, 2353758, 2518934, 3530637, 3778401, 4121892, 4350886, 4707516, 5037868, 6526329, 7061274, 7556802, 8701772, 11335203, 13052658, 14122548, 15113604, 19578987, 22670406, 23929873, 26105316, 39157974, 45340812, 47859746, 71789619, 78315948, 95719492, 143579238, 215368857, 287158476, 430737714, 861475428]

約数ペア:

[(1, 861475428), (2, 430737714), (3, 287158476), (4, 215368857), (6, 143579238), (9, 95719492), (11, 78315948), (12, 71789619), (18, 47859746), (19, 45340812), (22, 39157974), (33, 26105316), (36, 23929873), (38, 22670406), (44, 19578987), (57, 15113604), (61, 14122548), (66, 13052658), (76, 11335203), (99, 8701772), (114, 7556802), (122, 7061274), (132, 6526329), (171, 5037868), (183, 4707516), (198, 4350886), (209, 4121892), (228, 3778401), (244, 3530637), (342, 2518934), (366, 2353758), (396, 2175443), (418, 2060946), (549, 1569172), (627, 1373964), (671, 1283868), (684, 1259467), (732, 1176879), (836, 1030473), (1098, 784586), (1159, 743292), (1254, 686982), (1342, 641934), (1877, 458964), (1881, 457988), (2013, 427956), (2196, 392293), (2318, 371646), (2508, 343491), (2684, 320967), (3477, 247764), (3754, 229482), (3762, 228994), (4026, 213978), (4636, 185823), (5631, 152988), (6039, 142652), (6954, 123882), (7508, 114741), (7524, 114497), (8052, 106989), (10431, 82588), (11262, 76494), (12078, 71326), (12749, 67572), (13908, 61941), (16893, 50996), (20647, 41724), (20862, 41294), (22524, 38247), (24156, 35663), (25498, 33786)]