645639048

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{242357}}^1$

素因数の和:242406

約数の個数: 48

約数和(自身を含む): 1795872780

約数和(自身を除く): 1150233732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 242357, 484714, 727071, 969428, 1454142, 1938856, 2181213, 2908284, 4362426, 5816568, 8724852, 8967209, 17449704, 17934418, 26901627, 35868836, 53803254, 71737672, 80704881, 107606508, 161409762, 215213016, 322819524, 645639048]

約数ペア:

[(1, 645639048), (2, 322819524), (3, 215213016), (4, 161409762), (6, 107606508), (8, 80704881), (9, 71737672), (12, 53803254), (18, 35868836), (24, 26901627), (36, 17934418), (37, 17449704), (72, 8967209), (74, 8724852), (111, 5816568), (148, 4362426), (222, 2908284), (296, 2181213), (333, 1938856), (444, 1454142), (666, 969428), (888, 727071), (1332, 484714), (2664, 242357)]