1640802772

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 3450230784

約数和(自身を除く): 1809428012

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 101, 103, 131, 172, 202, 206, 262, 301, 404, 412, 524, 602, 707, 721, 917, 1204, 1414, 1442, 1834, 2828, 2884, 3668, 4343, 4429, 5633, 8686, 8858, 10403, 11266, 13231, 13493, 17372, 17716, 20806, 22532, 26462, 26986, 30401, 31003, 39431, 41612, 52924, 53972, 60802, 62006, 72821, 78862, 92617, 94451, 121604, 124012, 145642, 157724, 185234, 188902, 291284, 370468, 377804, 447329, 568933, 580199, 894658, 1137866, 1160398, 1362793, 1789316, 2275732, 2320796, 2725586, 3131303, 3982531, 4061393, 5451172, 6262606, 7965062, 8122786, 9539551, 12525212, 15930124, 16245572, 19079102, 38158204, 58600099, 117200198, 234400396, 410200693, 820401386, 1640802772]

約数ペア:

[(1, 1640802772), (2, 820401386), (4, 410200693), (7, 234400396), (14, 117200198), (28, 58600099), (43, 38158204), (86, 19079102), (101, 16245572), (103, 15930124), (131, 12525212), (172, 9539551), (202, 8122786), (206, 7965062), (262, 6262606), (301, 5451172), (404, 4061393), (412, 3982531), (524, 3131303), (602, 2725586), (707, 2320796), (721, 2275732), (917, 1789316), (1204, 1362793), (1414, 1160398), (1442, 1137866), (1834, 894658), (2828, 580199), (2884, 568933), (3668, 447329), (4343, 377804), (4429, 370468), (5633, 291284), (8686, 188902), (8858, 185234), (10403, 157724), (11266, 145642), (13231, 124012), (13493, 121604), (17372, 94451), (17716, 92617), (20806, 78862), (22532, 72821), (26462, 62006), (26986, 60802), (30401, 53972), (31003, 52924), (39431, 41612)]