221412852

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^2\times {\mathrm{631}}^1$

素因数の和:688

約数の個数: 108

約数和(自身を含む): 613538016

約数和(自身を除く): 392125164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 361, 486, 513, 631, 684, 722, 972, 1026, 1083, 1262, 1444, 1539, 1893, 2052, 2166, 2524, 3078, 3249, 3786, 4332, 4617, 5679, 6156, 6498, 7572, 9234, 9747, 11358, 11989, 12996, 17037, 18468, 19494, 22716, 23978, 29241, 34074, 35967, 38988, 47956, 51111, 58482, 68148, 71934, 87723, 102222, 107901, 116964, 143868, 153333, 175446, 204444, 215802, 227791, 306666, 323703, 350892, 431604, 455582, 613332, 647406, 683373, 911164, 971109, 1294812, 1366746, 1942218, 2050119, 2733492, 2913327, 3884436, 4100238, 5826654, 6150357, 8200476, 11653308, 12300714, 18451071, 24601428, 36902142, 55353213, 73804284, 110706426, 221412852]

約数ペア:

[(1, 221412852), (2, 110706426), (3, 73804284), (4, 55353213), (6, 36902142), (9, 24601428), (12, 18451071), (18, 12300714), (19, 11653308), (27, 8200476), (36, 6150357), (38, 5826654), (54, 4100238), (57, 3884436), (76, 2913327), (81, 2733492), (108, 2050119), (114, 1942218), (162, 1366746), (171, 1294812), (228, 971109), (243, 911164), (324, 683373), (342, 647406), (361, 613332), (486, 455582), (513, 431604), (631, 350892), (684, 323703), (722, 306666), (972, 227791), (1026, 215802), (1083, 204444), (1262, 175446), (1444, 153333), (1539, 143868), (1893, 116964), (2052, 107901), (2166, 102222), (2524, 87723), (3078, 71934), (3249, 68148), (3786, 58482), (4332, 51111), (4617, 47956), (5679, 38988), (6156, 35967), (6498, 34074), (7572, 29241), (9234, 23978), (9747, 22716), (11358, 19494), (11989, 18468), (12996, 17037)]