28458170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 31054150

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 79, 85, 130, 158, 163, 170, 221, 326, 395, 442, 790, 815, 1027, 1105, 1343, 1630, 2054, 2119, 2210, 2686, 2771, 4238, 5135, 5542, 6715, 10270, 10595, 12877, 13430, 13855, 17459, 21190, 25754, 27710, 34918, 36023, 64385, 72046, 87295, 128770, 167401, 174590, 180115, 218909, 334802, 360230, 437818, 837005, 1094545, 1674010, 2189090, 2845817, 5691634, 14229085, 28458170]

約数ペア:

[(1, 28458170), (2, 14229085), (5, 5691634), (10, 2845817), (13, 2189090), (17, 1674010), (26, 1094545), (34, 837005), (65, 437818), (79, 360230), (85, 334802), (130, 218909), (158, 180115), (163, 174590), (170, 167401), (221, 128770), (326, 87295), (395, 72046), (442, 64385), (790, 36023), (815, 34918), (1027, 27710), (1105, 25754), (1343, 21190), (1630, 17459), (2054, 13855), (2119, 13430), (2210, 12877), (2686, 10595), (2771, 10270), (4238, 6715), (5135, 5542)]