261251172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4691}}^1$

素因数の和:4738

約数の個数: 144

約数和(自身を含む): 860775552

約数和(自身を除く): 599524380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 34, 36, 39, 42, 51, 52, 63, 68, 78, 84, 91, 102, 117, 119, 126, 153, 156, 182, 204, 221, 234, 238, 252, 273, 306, 357, 364, 442, 468, 476, 546, 612, 663, 714, 819, 884, 1071, 1092, 1326, 1428, 1547, 1638, 1989, 2142, 2652, 3094, 3276, 3978, 4284, 4641, 4691, 6188, 7956, 9282, 9382, 13923, 14073, 18564, 18764, 27846, 28146, 32837, 42219, 55692, 56292, 60983, 65674, 79747, 84438, 98511, 121966, 131348, 159494, 168876, 182949, 197022, 239241, 243932, 295533, 318988, 365898, 394044, 426881, 478482, 548847, 558229, 591066, 717723, 731796, 853762, 956964, 1036711, 1097694, 1116458, 1182132, 1280643, 1435446, 1674687, 1707524, 2073422, 2195388, 2232916, 2561286, 2870892, 3110133, 3349374, 3841929, 4146844, 5024061, 5122572, 6220266, 6698748, 7256977, 7683858, 9330399, 10048122, 12440532, 14513954, 15367716, 18660798, 20096244, 21770931, 29027908, 37321596, 43541862, 65312793, 87083724, 130625586, 261251172]

約数ペア:

[(1, 261251172), (2, 130625586), (3, 87083724), (4, 65312793), (6, 43541862), (7, 37321596), (9, 29027908), (12, 21770931), (13, 20096244), (14, 18660798), (17, 15367716), (18, 14513954), (21, 12440532), (26, 10048122), (28, 9330399), (34, 7683858), (36, 7256977), (39, 6698748), (42, 6220266), (51, 5122572), (52, 5024061), (63, 4146844), (68, 3841929), (78, 3349374), (84, 3110133), (91, 2870892), (102, 2561286), (117, 2232916), (119, 2195388), (126, 2073422), (153, 1707524), (156, 1674687), (182, 1435446), (204, 1280643), (221, 1182132), (234, 1116458), (238, 1097694), (252, 1036711), (273, 956964), (306, 853762), (357, 731796), (364, 717723), (442, 591066), (468, 558229), (476, 548847), (546, 478482), (612, 426881), (663, 394044), (714, 365898), (819, 318988), (884, 295533), (1071, 243932), (1092, 239241), (1326, 197022), (1428, 182949), (1547, 168876), (1638, 159494), (1989, 131348), (2142, 121966), (2652, 98511), (3094, 84438), (3276, 79747), (3978, 65674), (4284, 60983), (4641, 56292), (4691, 55692), (6188, 42219), (7956, 32837), (9282, 28146), (9382, 27846), (13923, 18764), (14073, 18564)]