1990490866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{3049}}^1$

素因数の和:3299

約数の個数: 64

約数和(自身を含む): 3910636800

約数和(自身を除く): 1920145934

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 211, 221, 238, 422, 442, 1477, 1547, 2743, 2954, 3049, 3094, 3587, 5486, 6098, 7174, 19201, 21343, 25109, 38402, 39637, 42686, 46631, 50218, 51833, 79274, 93262, 103666, 277459, 326417, 362831, 554918, 643339, 652834, 673829, 725662, 1286678, 1347658, 4503373, 4716803, 8363407, 9006746, 9433606, 10936763, 16726814, 21873526, 58543849, 76557341, 117087698, 142177919, 153114682, 284355838, 995245433, 1990490866]

約数ペア:

[(1, 1990490866), (2, 995245433), (7, 284355838), (13, 153114682), (14, 142177919), (17, 117087698), (26, 76557341), (34, 58543849), (91, 21873526), (119, 16726814), (182, 10936763), (211, 9433606), (221, 9006746), (238, 8363407), (422, 4716803), (442, 4503373), (1477, 1347658), (1547, 1286678), (2743, 725662), (2954, 673829), (3049, 652834), (3094, 643339), (3587, 554918), (5486, 362831), (6098, 326417), (7174, 277459), (19201, 103666), (21343, 93262), (25109, 79274), (38402, 51833), (39637, 50218), (42686, 46631)]