28374190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 59984064

約数和(自身を除く): 31609874

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 37, 65, 74, 85, 130, 170, 185, 221, 347, 370, 442, 481, 629, 694, 962, 1105, 1258, 1735, 2210, 2405, 3145, 3470, 4511, 4810, 5899, 6290, 8177, 9022, 11798, 12839, 16354, 22555, 25678, 29495, 40885, 45110, 58990, 64195, 76687, 81770, 128390, 153374, 166907, 218263, 333814, 383435, 436526, 766870, 834535, 1091315, 1669070, 2182630, 2837419, 5674838, 14187095, 28374190]

約数ペア:

[(1, 28374190), (2, 14187095), (5, 5674838), (10, 2837419), (13, 2182630), (17, 1669070), (26, 1091315), (34, 834535), (37, 766870), (65, 436526), (74, 383435), (85, 333814), (130, 218263), (170, 166907), (185, 153374), (221, 128390), (347, 81770), (370, 76687), (442, 64195), (481, 58990), (629, 45110), (694, 40885), (962, 29495), (1105, 25678), (1258, 22555), (1735, 16354), (2210, 12839), (2405, 11798), (3145, 9022), (3470, 8177), (4511, 6290), (4810, 5899)]