8398390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 11922890

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 839, 910, 1001, 1430, 1678, 2002, 4195, 5005, 5873, 8390, 9229, 10010, 10907, 11746, 18458, 21814, 29365, 46145, 54535, 58730, 64603, 76349, 92290, 109070, 119977, 129206, 152698, 239954, 323015, 381745, 599885, 646030, 763490, 839839, 1199770, 1679678, 4199195, 8398390]

約数ペア:

[(1, 8398390), (2, 4199195), (5, 1679678), (7, 1199770), (10, 839839), (11, 763490), (13, 646030), (14, 599885), (22, 381745), (26, 323015), (35, 239954), (55, 152698), (65, 129206), (70, 119977), (77, 109070), (91, 92290), (110, 76349), (130, 64603), (143, 58730), (154, 54535), (182, 46145), (286, 29365), (385, 21814), (455, 18458), (715, 11746), (770, 10907), (839, 10010), (910, 9229), (1001, 8390), (1430, 5873), (1678, 5005), (2002, 4195)]