85431372

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 238365792

約数和(自身を除く): 152934420

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 37, 38, 39, 41, 52, 57, 74, 76, 78, 82, 111, 114, 123, 148, 156, 164, 222, 228, 246, 247, 361, 444, 481, 492, 494, 533, 703, 722, 741, 779, 962, 988, 1066, 1083, 1406, 1443, 1444, 1482, 1517, 1558, 1599, 1924, 2109, 2132, 2166, 2337, 2812, 2886, 2964, 3034, 3116, 3198, 4218, 4332, 4551, 4674, 4693, 5772, 6068, 6396, 8436, 9102, 9139, 9348, 9386, 10127, 13357, 14079, 14801, 18204, 18278, 18772, 19721, 20254, 26714, 27417, 28158, 28823, 29602, 30381, 36556, 39442, 40071, 40508, 44403, 53428, 54834, 56316, 57646, 59163, 59204, 60762, 78884, 80142, 86469, 88806, 109668, 115292, 118326, 121524, 160284, 172938, 173641, 177612, 192413, 236652, 345876, 347282, 374699, 384826, 520923, 547637, 577239, 694564, 749398, 769652, 1041846, 1095274, 1124097, 1154478, 1498796, 1642911, 2083692, 2190548, 2248194, 2308956, 3285822, 4496388, 6571644, 7119281, 14238562, 21357843, 28477124, 42715686, 85431372]

約数ペア:

[(1, 85431372), (2, 42715686), (3, 28477124), (4, 21357843), (6, 14238562), (12, 7119281), (13, 6571644), (19, 4496388), (26, 3285822), (37, 2308956), (38, 2248194), (39, 2190548), (41, 2083692), (52, 1642911), (57, 1498796), (74, 1154478), (76, 1124097), (78, 1095274), (82, 1041846), (111, 769652), (114, 749398), (123, 694564), (148, 577239), (156, 547637), (164, 520923), (222, 384826), (228, 374699), (246, 347282), (247, 345876), (361, 236652), (444, 192413), (481, 177612), (492, 173641), (494, 172938), (533, 160284), (703, 121524), (722, 118326), (741, 115292), (779, 109668), (962, 88806), (988, 86469), (1066, 80142), (1083, 78884), (1406, 60762), (1443, 59204), (1444, 59163), (1482, 57646), (1517, 56316), (1558, 54834), (1599, 53428), (1924, 44403), (2109, 40508), (2132, 40071), (2166, 39442), (2337, 36556), (2812, 30381), (2886, 29602), (2964, 28823), (3034, 28158), (3116, 27417), (3198, 26714), (4218, 20254), (4332, 19721), (4551, 18772), (4674, 18278), (4693, 18204), (5772, 14801), (6068, 14079), (6396, 13357), (8436, 10127), (9102, 9386), (9139, 9348)]