15722449925

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{8737}}^1$

素因数の和:8887

約数の個数: 72

約数和(自身を含む): 24642313416

約数和(自身を除く): 8919863491

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 113, 175, 245, 325, 455, 565, 637, 791, 1225, 1469, 2275, 2825, 3185, 3955, 5537, 7345, 8737, 10283, 15925, 19775, 27685, 36725, 43685, 51415, 61159, 71981, 113581, 138425, 218425, 257075, 305795, 359905, 428113, 567905, 795067, 987281, 1528975, 1799525, 2140565, 2839525, 3975335, 4936405, 5565469, 6910967, 10702825, 12834653, 19876675, 24682025, 27827345, 34554835, 48376769, 64173265, 89842571, 139136725, 172774175, 241883845, 320866325, 449212855, 628897997, 1209419225, 2246064275, 3144489985, 15722449925]

約数ペア:

[(1, 15722449925), (5, 3144489985), (7, 2246064275), (13, 1209419225), (25, 628897997), (35, 449212855), (49, 320866325), (65, 241883845), (91, 172774175), (113, 139136725), (175, 89842571), (245, 64173265), (325, 48376769), (455, 34554835), (565, 27827345), (637, 24682025), (791, 19876675), (1225, 12834653), (1469, 10702825), (2275, 6910967), (2825, 5565469), (3185, 4936405), (3955, 3975335), (5537, 2839525), (7345, 2140565), (8737, 1799525), (10283, 1528975), (15925, 987281), (19775, 795067), (27685, 567905), (36725, 428113), (43685, 359905), (51415, 305795), (61159, 257075), (71981, 218425), (113581, 138425)]