661566854578

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1\times {\mathrm{39827}}^1$

素因数の和:40591

約数の個数: 64

約数和(自身を含む): 1200269352960

約数和(自身を除く): 538702498382

約数列:

[1, 2, 7, 14, 23, 46, 79, 158, 161, 322, 553, 653, 1106, 1306, 1817, 3634, 4571, 9142, 12719, 15019, 25438, 30038, 39827, 51587, 79654, 103174, 105133, 210266, 278789, 361109, 557578, 722218, 916021, 1186501, 1832042, 2373002, 3146333, 6292666, 6412147, 8305507, 12824294, 16611014, 22024331, 26007031, 44048662, 52014062, 72365659, 144731318, 182049217, 364098434, 506559613, 598161713, 1013119226, 1196323426, 2054555449, 4109110898, 4187131991, 8374263982, 14381888143, 28763776286, 47254775327, 94509550654, 330783427289, 661566854578]

約数ペア:

[(1, 661566854578), (2, 330783427289), (7, 94509550654), (14, 47254775327), (23, 28763776286), (46, 14381888143), (79, 8374263982), (158, 4187131991), (161, 4109110898), (322, 2054555449), (553, 1196323426), (653, 1013119226), (1106, 598161713), (1306, 506559613), (1817, 364098434), (3634, 182049217), (4571, 144731318), (9142, 72365659), (12719, 52014062), (15019, 44048662), (25438, 26007031), (30038, 22024331), (39827, 16611014), (51587, 12824294), (79654, 8305507), (103174, 6412147), (105133, 6292666), (210266, 3146333), (278789, 2373002), (361109, 1832042), (557578, 1186501), (722218, 916021)]