388636405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{739}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 517881600

約数和(自身を除く): 129245195

約数列:

[1, 5, 17, 23, 85, 115, 269, 391, 739, 1345, 1955, 3695, 4573, 6187, 12563, 16997, 22865, 30935, 62815, 84985, 105179, 198791, 288949, 525895, 993955, 1444745, 3379447, 4572193, 16897235, 22860965, 77727281, 388636405]

約数ペア:

[(1, 388636405), (5, 77727281), (17, 22860965), (23, 16897235), (85, 4572193), (115, 3379447), (269, 1444745), (391, 993955), (739, 525895), (1345, 288949), (1955, 198791), (3695, 105179), (4573, 84985), (6187, 62815), (12563, 30935), (16997, 22865)]