25196268136

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 52909113600

約数和(自身を除く): 27712845464

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 71, 104, 122, 142, 169, 244, 284, 331, 338, 488, 568, 662, 676, 793, 923, 1324, 1352, 1586, 1846, 2197, 2648, 3172, 3692, 4303, 4331, 4394, 6344, 7384, 8606, 8662, 8788, 10309, 11999, 17212, 17324, 17576, 20191, 20618, 23501, 23998, 34424, 34648, 40382, 41236, 47002, 47996, 55939, 56303, 80764, 82472, 94004, 95992, 111878, 112606, 134017, 155987, 161528, 188008, 223756, 225212, 262483, 268034, 305513, 311974, 447512, 450424, 524966, 536068, 611026, 623948, 727207, 731939, 1049932, 1072136, 1222052, 1247896, 1433561, 1454414, 1463878, 2099864, 2444104, 2867122, 2908828, 2927756, 3412279, 3971669, 5734244, 5817656, 5855512, 6824558, 7943338, 9515207, 11468488, 13649116, 15886676, 18636293, 19030414, 27298232, 31773352, 37272586, 38060828, 44359627, 51631697, 74545172, 76121656, 88719254, 103263394, 149090344, 177438508, 206526788, 242271809, 354877016, 413053576, 484543618, 969087236, 1938174472, 3149533517, 6299067034, 12598134068, 25196268136]

約数ペア:

[(1, 25196268136), (2, 12598134068), (4, 6299067034), (8, 3149533517), (13, 1938174472), (26, 969087236), (52, 484543618), (61, 413053576), (71, 354877016), (104, 242271809), (122, 206526788), (142, 177438508), (169, 149090344), (244, 103263394), (284, 88719254), (331, 76121656), (338, 74545172), (488, 51631697), (568, 44359627), (662, 38060828), (676, 37272586), (793, 31773352), (923, 27298232), (1324, 19030414), (1352, 18636293), (1586, 15886676), (1846, 13649116), (2197, 11468488), (2648, 9515207), (3172, 7943338), (3692, 6824558), (4303, 5855512), (4331, 5817656), (4394, 5734244), (6344, 3971669), (7384, 3412279), (8606, 2927756), (8662, 2908828), (8788, 2867122), (10309, 2444104), (11999, 2099864), (17212, 1463878), (17324, 1454414), (17576, 1433561), (20191, 1247896), (20618, 1222052), (23501, 1072136), (23998, 1049932), (34424, 731939), (34648, 727207), (40382, 623948), (41236, 611026), (47002, 536068), (47996, 524966), (55939, 450424), (56303, 447512), (80764, 311974), (82472, 305513), (94004, 268034), (95992, 262483), (111878, 225212), (112606, 223756), (134017, 188008), (155987, 161528)]