77321556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 108

約数和(自身を含む): 215822880

約数和(自身を除く): 138501324

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 169, 179, 213, 234, 284, 338, 358, 426, 468, 507, 537, 639, 676, 716, 852, 923, 1014, 1074, 1278, 1521, 1611, 1846, 2028, 2148, 2327, 2556, 2769, 3042, 3222, 3692, 4654, 5538, 6084, 6444, 6981, 8307, 9308, 11076, 11999, 12709, 13962, 16614, 20943, 23998, 25418, 27924, 30251, 33228, 35997, 38127, 41886, 47996, 50836, 60502, 71994, 76254, 83772, 90753, 107991, 114381, 121004, 143988, 152508, 165217, 181506, 215982, 228762, 272259, 330434, 363012, 431964, 457524, 495651, 544518, 660868, 991302, 1089036, 1486953, 1982604, 2147821, 2973906, 4295642, 5947812, 6443463, 8591284, 12886926, 19330389, 25773852, 38660778, 77321556]

約数ペア:

[(1, 77321556), (2, 38660778), (3, 25773852), (4, 19330389), (6, 12886926), (9, 8591284), (12, 6443463), (13, 5947812), (18, 4295642), (26, 2973906), (36, 2147821), (39, 1982604), (52, 1486953), (71, 1089036), (78, 991302), (117, 660868), (142, 544518), (156, 495651), (169, 457524), (179, 431964), (213, 363012), (234, 330434), (284, 272259), (338, 228762), (358, 215982), (426, 181506), (468, 165217), (507, 152508), (537, 143988), (639, 121004), (676, 114381), (716, 107991), (852, 90753), (923, 83772), (1014, 76254), (1074, 71994), (1278, 60502), (1521, 50836), (1611, 47996), (1846, 41886), (2028, 38127), (2148, 35997), (2327, 33228), (2556, 30251), (2769, 27924), (3042, 25418), (3222, 23998), (3692, 20943), (4654, 16614), (5538, 13962), (6084, 12709), (6444, 11999), (6981, 11076), (8307, 9308)]