291539976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1019}}^1$

素因数の和:1179

約数の個数: 128

約数和(自身を含む): 904780800

約数和(自身を除く): 613240824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 131, 156, 168, 182, 262, 273, 312, 364, 393, 524, 546, 728, 786, 917, 1019, 1048, 1092, 1572, 1703, 1834, 2038, 2184, 2751, 3057, 3144, 3406, 3668, 4076, 5109, 5502, 6114, 6812, 7133, 7336, 8152, 10218, 11004, 11921, 12228, 13247, 13624, 14266, 20436, 21399, 22008, 23842, 24456, 26494, 28532, 35763, 39741, 40872, 42798, 47684, 52988, 57064, 71526, 79482, 85596, 92729, 95368, 105976, 133489, 143052, 158964, 171192, 185458, 266978, 278187, 286104, 317928, 370916, 400467, 533956, 556374, 741832, 800934, 934423, 1067912, 1112748, 1601868, 1735357, 1868846, 2225496, 2803269, 3203736, 3470714, 3737692, 5206071, 5606538, 6941428, 7475384, 10412142, 11213076, 12147499, 13882856, 20824284, 22426152, 24294998, 36442497, 41648568, 48589996, 72884994, 97179992, 145769988, 291539976]

約数ペア:

[(1, 291539976), (2, 145769988), (3, 97179992), (4, 72884994), (6, 48589996), (7, 41648568), (8, 36442497), (12, 24294998), (13, 22426152), (14, 20824284), (21, 13882856), (24, 12147499), (26, 11213076), (28, 10412142), (39, 7475384), (42, 6941428), (52, 5606538), (56, 5206071), (78, 3737692), (84, 3470714), (91, 3203736), (104, 2803269), (131, 2225496), (156, 1868846), (168, 1735357), (182, 1601868), (262, 1112748), (273, 1067912), (312, 934423), (364, 800934), (393, 741832), (524, 556374), (546, 533956), (728, 400467), (786, 370916), (917, 317928), (1019, 286104), (1048, 278187), (1092, 266978), (1572, 185458), (1703, 171192), (1834, 158964), (2038, 143052), (2184, 133489), (2751, 105976), (3057, 95368), (3144, 92729), (3406, 85596), (3668, 79482), (4076, 71526), (5109, 57064), (5502, 52988), (6114, 47684), (6812, 42798), (7133, 40872), (7336, 39741), (8152, 35763), (10218, 28532), (11004, 26494), (11921, 24456), (12228, 23842), (13247, 22008), (13624, 21399), (14266, 20436)]