2021077045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 2906233344

約数和(自身を除く): 885156299

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 281, 283, 299, 391, 1105, 1405, 1415, 1495, 1955, 3653, 3679, 4777, 4811, 5083, 6463, 6509, 18265, 18395, 23885, 24055, 25415, 32315, 32545, 62101, 62543, 79523, 84019, 84617, 109871, 110653, 310505, 312715, 397615, 420095, 423085, 549355, 553265, 1033799, 1351891, 1428323, 1438489, 1829029, 5168995, 6759455, 7141615, 7192445, 9145145, 17574583, 23777377, 31093493, 87872915, 118886885, 155467465, 404215409, 2021077045]

約数ペア:

[(1, 2021077045), (5, 404215409), (13, 155467465), (17, 118886885), (23, 87872915), (65, 31093493), (85, 23777377), (115, 17574583), (221, 9145145), (281, 7192445), (283, 7141615), (299, 6759455), (391, 5168995), (1105, 1829029), (1405, 1438489), (1415, 1428323), (1495, 1351891), (1955, 1033799), (3653, 553265), (3679, 549355), (4777, 423085), (4811, 420095), (5083, 397615), (6463, 312715), (6509, 310505), (18265, 110653), (18395, 109871), (23885, 84617), (24055, 84019), (25415, 79523), (32315, 62543), (32545, 62101)]