25716258

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 59936640

約数和(自身を除く): 34220382

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 61, 74, 111, 122, 183, 211, 222, 333, 366, 422, 549, 633, 666, 999, 1098, 1266, 1647, 1899, 1998, 2257, 3294, 3798, 4514, 5697, 6771, 7807, 11394, 12871, 13542, 15614, 20313, 23421, 25742, 38613, 40626, 46842, 60939, 70263, 77226, 115839, 121878, 140526, 210789, 231678, 347517, 421578, 476227, 695034, 952454, 1428681, 2857362, 4286043, 8572086, 12858129, 25716258]

約数ペア:

[(1, 25716258), (2, 12858129), (3, 8572086), (6, 4286043), (9, 2857362), (18, 1428681), (27, 952454), (37, 695034), (54, 476227), (61, 421578), (74, 347517), (111, 231678), (122, 210789), (183, 140526), (211, 121878), (222, 115839), (333, 77226), (366, 70263), (422, 60939), (549, 46842), (633, 40626), (666, 38613), (999, 25742), (1098, 23421), (1266, 20313), (1647, 15614), (1899, 13542), (1998, 12871), (2257, 11394), (3294, 7807), (3798, 6771), (4514, 5697)]