205128767836

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{277}}^1\times {\mathrm{751}}^1\times {\mathrm{853}}^1$

素因数の和:1919

約数の個数: 72

約数和(自身を含む): 383669187776

約数和(自身を除く): 178540419940

約数列:

[1, 2, 4, 17, 34, 68, 277, 289, 554, 578, 751, 853, 1108, 1156, 1502, 1706, 3004, 3412, 4709, 9418, 12767, 14501, 18836, 25534, 29002, 51068, 58004, 80053, 160106, 208027, 217039, 236281, 246517, 320212, 416054, 434078, 472562, 493034, 640603, 832108, 868156, 945124, 986068, 1281206, 2562412, 3536459, 4016777, 7072918, 8033554, 10890251, 14145836, 16067108, 21780502, 43561004, 60119803, 68285209, 120239606, 136570418, 177447031, 185134267, 240479212, 273140836, 354894062, 370268534, 709788124, 740537068, 3016599527, 6033199054, 12066398108, 51282191959, 102564383918, 205128767836]

約数ペア:

[(1, 205128767836), (2, 102564383918), (4, 51282191959), (17, 12066398108), (34, 6033199054), (68, 3016599527), (277, 740537068), (289, 709788124), (554, 370268534), (578, 354894062), (751, 273140836), (853, 240479212), (1108, 185134267), (1156, 177447031), (1502, 136570418), (1706, 120239606), (3004, 68285209), (3412, 60119803), (4709, 43561004), (9418, 21780502), (12767, 16067108), (14501, 14145836), (18836, 10890251), (25534, 8033554), (29002, 7072918), (51068, 4016777), (58004, 3536459), (80053, 2562412), (160106, 1281206), (208027, 986068), (217039, 945124), (236281, 868156), (246517, 832108), (320212, 640603), (416054, 493034), (434078, 472562)]