16661890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 36495360

約数和(自身を除く): 19833470

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 79, 115, 131, 158, 161, 230, 262, 322, 395, 553, 655, 790, 805, 917, 1106, 1310, 1610, 1817, 1834, 2765, 3013, 3634, 4585, 5530, 6026, 9085, 9170, 10349, 12719, 15065, 18170, 20698, 21091, 25438, 30130, 42182, 51745, 63595, 72443, 103490, 105455, 127190, 144886, 210910, 238027, 362215, 476054, 724430, 1190135, 1666189, 2380270, 3332378, 8330945, 16661890]

約数ペア:

[(1, 16661890), (2, 8330945), (5, 3332378), (7, 2380270), (10, 1666189), (14, 1190135), (23, 724430), (35, 476054), (46, 362215), (70, 238027), (79, 210910), (115, 144886), (131, 127190), (158, 105455), (161, 103490), (230, 72443), (262, 63595), (322, 51745), (395, 42182), (553, 30130), (655, 25438), (790, 21091), (805, 20698), (917, 18170), (1106, 15065), (1310, 12719), (1610, 10349), (1817, 9170), (1834, 9085), (2765, 6026), (3013, 5530), (3634, 4585)]