221802490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1093}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 494032896

約数和(自身を除く): 272230406

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 223, 446, 455, 910, 1093, 1115, 1561, 2186, 2230, 2899, 3122, 5465, 5798, 7651, 7805, 10930, 14209, 14495, 15302, 15610, 20293, 28418, 28990, 38255, 40586, 71045, 76510, 99463, 101465, 142090, 198926, 202930, 243739, 487478, 497315, 994630, 1218695, 1706173, 2437390, 3168607, 3412346, 6337214, 8530865, 15843035, 17061730, 22180249, 31686070, 44360498, 110901245, 221802490]

約数ペア:

[(1, 221802490), (2, 110901245), (5, 44360498), (7, 31686070), (10, 22180249), (13, 17061730), (14, 15843035), (26, 8530865), (35, 6337214), (65, 3412346), (70, 3168607), (91, 2437390), (130, 1706173), (182, 1218695), (223, 994630), (446, 497315), (455, 487478), (910, 243739), (1093, 202930), (1115, 198926), (1561, 142090), (2186, 101465), (2230, 99463), (2899, 76510), (3122, 71045), (5465, 40586), (5798, 38255), (7651, 28990), (7805, 28418), (10930, 20293), (14209, 15610), (14495, 15302)]