81369512

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 180904320

約数和(自身を除く): 99534808

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 173, 227, 259, 296, 346, 454, 518, 692, 908, 1036, 1211, 1384, 1589, 1816, 2072, 2422, 3178, 4844, 6356, 6401, 8399, 9688, 12712, 12802, 16798, 25604, 33596, 39271, 44807, 51208, 58793, 67192, 78542, 89614, 117586, 157084, 179228, 235172, 274897, 314168, 358456, 470344, 549794, 1099588, 1453027, 2199176, 2906054, 5812108, 10171189, 11624216, 20342378, 40684756, 81369512]

約数ペア:

[(1, 81369512), (2, 40684756), (4, 20342378), (7, 11624216), (8, 10171189), (14, 5812108), (28, 2906054), (37, 2199176), (56, 1453027), (74, 1099588), (148, 549794), (173, 470344), (227, 358456), (259, 314168), (296, 274897), (346, 235172), (454, 179228), (518, 157084), (692, 117586), (908, 89614), (1036, 78542), (1211, 67192), (1384, 58793), (1589, 51208), (1816, 44807), (2072, 39271), (2422, 33596), (3178, 25604), (4844, 16798), (6356, 12802), (6401, 12712), (8399, 9688)]