1897831208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:667

約数の個数: 128

約数和(自身を含む): 4515678720

約数和(自身を除く): 2617847512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 53, 56, 91, 101, 104, 106, 182, 202, 212, 364, 371, 404, 424, 487, 689, 707, 728, 742, 808, 974, 1313, 1378, 1414, 1484, 1948, 2626, 2756, 2828, 2968, 3409, 3896, 4823, 5252, 5353, 5512, 5656, 6331, 6818, 9191, 9646, 10504, 10706, 12662, 13636, 18382, 19292, 21412, 25324, 25811, 27272, 36764, 37471, 38584, 42824, 44317, 49187, 50648, 51622, 69589, 73528, 74942, 88634, 98374, 103244, 139178, 149884, 177268, 180677, 196748, 206488, 278356, 299768, 335543, 344309, 354536, 361354, 393496, 487123, 556712, 639431, 671086, 688618, 722708, 974246, 1278862, 1342172, 1377236, 1445416, 1948492, 2348801, 2557724, 2606911, 2684344, 2754472, 3896984, 4476017, 4697602, 5115448, 5213822, 8952034, 9395204, 10427644, 17904068, 18248377, 18790408, 20855288, 33889843, 35808136, 36496754, 67779686, 72993508, 135559372, 145987016, 237228901, 271118744, 474457802, 948915604, 1897831208]

約数ペア:

[(1, 1897831208), (2, 948915604), (4, 474457802), (7, 271118744), (8, 237228901), (13, 145987016), (14, 135559372), (26, 72993508), (28, 67779686), (52, 36496754), (53, 35808136), (56, 33889843), (91, 20855288), (101, 18790408), (104, 18248377), (106, 17904068), (182, 10427644), (202, 9395204), (212, 8952034), (364, 5213822), (371, 5115448), (404, 4697602), (424, 4476017), (487, 3896984), (689, 2754472), (707, 2684344), (728, 2606911), (742, 2557724), (808, 2348801), (974, 1948492), (1313, 1445416), (1378, 1377236), (1414, 1342172), (1484, 1278862), (1948, 974246), (2626, 722708), (2756, 688618), (2828, 671086), (2968, 639431), (3409, 556712), (3896, 487123), (4823, 393496), (5252, 361354), (5353, 354536), (5512, 344309), (5656, 335543), (6331, 299768), (6818, 278356), (9191, 206488), (9646, 196748), (10504, 180677), (10706, 177268), (12662, 149884), (13636, 139178), (18382, 103244), (19292, 98374), (21412, 88634), (25324, 74942), (25811, 73528), (27272, 69589), (36764, 51622), (37471, 50648), (38584, 49187), (42824, 44317)]