28210002965

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{461}}^1\times {\mathrm{641}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 34645720032

約数和(自身を除く): 6435717067

約数列:

[1, 5, 61, 305, 313, 461, 641, 1565, 2305, 3205, 19093, 28121, 39101, 95465, 140605, 144293, 195505, 200633, 295501, 721465, 1003165, 1477505, 8801873, 12238613, 18025561, 44009365, 61193065, 90127805, 92491813, 462459065, 5642000593, 28210002965]

約数ペア:

[(1, 28210002965), (5, 5642000593), (61, 462459065), (305, 92491813), (313, 90127805), (461, 61193065), (641, 44009365), (1565, 18025561), (2305, 12238613), (3205, 8801873), (19093, 1477505), (28121, 1003165), (39101, 721465), (95465, 295501), (140605, 200633), (144293, 195505)]