287103310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 593635392

約数和(自身を除く): 306532082

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 163, 170, 221, 326, 442, 797, 815, 1105, 1594, 1630, 2119, 2210, 2771, 3985, 4238, 5542, 7970, 10361, 10595, 13549, 13855, 20722, 21190, 27098, 27710, 36023, 51805, 67745, 72046, 103610, 129911, 135490, 176137, 180115, 259822, 352274, 360230, 649555, 880685, 1299110, 1688843, 1761370, 2208487, 3377686, 4416974, 8444215, 11042435, 16888430, 22084870, 28710331, 57420662, 143551655, 287103310]

約数ペア:

[(1, 287103310), (2, 143551655), (5, 57420662), (10, 28710331), (13, 22084870), (17, 16888430), (26, 11042435), (34, 8444215), (65, 4416974), (85, 3377686), (130, 2208487), (163, 1761370), (170, 1688843), (221, 1299110), (326, 880685), (442, 649555), (797, 360230), (815, 352274), (1105, 259822), (1594, 180115), (1630, 176137), (2119, 135490), (2210, 129911), (2771, 103610), (3985, 72046), (4238, 67745), (5542, 51805), (7970, 36023), (10361, 27710), (10595, 27098), (13549, 21190), (13855, 20722)]