156988920459

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{157951}}^1$

素因数の和:158080

約数の個数: 64

約数和(自身を含む): 262023413760

約数和(自身を除く): 105034493301

約数列:

[1, 3, 7, 19, 21, 47, 53, 57, 133, 141, 159, 329, 371, 399, 893, 987, 1007, 1113, 2491, 2679, 3021, 6251, 7049, 7473, 17437, 18753, 21147, 47329, 52311, 141987, 157951, 331303, 473853, 993909, 1105657, 3001069, 3316971, 7423697, 8371403, 9003207, 21007483, 22271091, 25114209, 51965879, 58599821, 63022449, 141050243, 155897637, 159056657, 175799463, 393455941, 423150729, 477169971, 987351701, 1113396599, 1180367823, 2754191587, 2962055103, 3340189797, 7475662879, 8262574761, 22426988637, 52329640153, 156988920459]

約数ペア:

[(1, 156988920459), (3, 52329640153), (7, 22426988637), (19, 8262574761), (21, 7475662879), (47, 3340189797), (53, 2962055103), (57, 2754191587), (133, 1180367823), (141, 1113396599), (159, 987351701), (329, 477169971), (371, 423150729), (399, 393455941), (893, 175799463), (987, 159056657), (1007, 155897637), (1113, 141050243), (2491, 63022449), (2679, 58599821), (3021, 51965879), (6251, 25114209), (7049, 22271091), (7473, 21007483), (17437, 9003207), (18753, 8371403), (21147, 7423697), (47329, 3316971), (52311, 3001069), (141987, 1105657), (157951, 993909), (331303, 473853)]