641670488

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{19751}}^1$

素因数の和:19919

約数の個数: 32

約数和(自身を含む): 1251486720

約数和(自身を除く): 609816232

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 1048, 4061, 8122, 16244, 19751, 32488, 39502, 79004, 158008, 612281, 1224562, 2449124, 2587381, 4898248, 5174762, 10349524, 20699048, 80208811, 160417622, 320835244, 641670488]

約数ペア:

[(1, 641670488), (2, 320835244), (4, 160417622), (8, 80208811), (31, 20699048), (62, 10349524), (124, 5174762), (131, 4898248), (248, 2587381), (262, 2449124), (524, 1224562), (1048, 612281), (4061, 158008), (8122, 79004), (16244, 39502), (19751, 32488)]