2178764728

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1\times {\mathrm{677}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 4730270400

約数和(自身を除く): 2551505672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 569, 677, 707, 808, 1138, 1354, 1414, 2276, 2708, 2828, 3983, 4552, 4739, 5416, 5656, 7966, 9478, 15932, 18956, 31864, 37912, 57469, 68377, 114938, 136754, 229876, 273508, 385213, 402283, 459752, 478639, 547016, 770426, 804566, 957278, 1540852, 1609132, 1914556, 2696491, 3081704, 3218264, 3829112, 5392982, 10785964, 21571928, 38906513, 77813026, 155626052, 272345591, 311252104, 544691182, 1089382364, 2178764728]

約数ペア:

[(1, 2178764728), (2, 1089382364), (4, 544691182), (7, 311252104), (8, 272345591), (14, 155626052), (28, 77813026), (56, 38906513), (101, 21571928), (202, 10785964), (404, 5392982), (569, 3829112), (677, 3218264), (707, 3081704), (808, 2696491), (1138, 1914556), (1354, 1609132), (1414, 1540852), (2276, 957278), (2708, 804566), (2828, 770426), (3983, 547016), (4552, 478639), (4739, 459752), (5416, 402283), (5656, 385213), (7966, 273508), (9478, 229876), (15932, 136754), (18956, 114938), (31864, 68377), (37912, 57469)]