212809828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6841}}^1$

素因数の和:6964

約数の個数: 48

約数和(自身を含む): 468978048

約数和(自身を除く): 256168220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 707, 1111, 1414, 2222, 2828, 4444, 6841, 7777, 13682, 15554, 27364, 31108, 47887, 75251, 95774, 150502, 191548, 301004, 526757, 690941, 1053514, 1381882, 2107028, 2763764, 4836587, 7600351, 9673174, 15200702, 19346348, 30401404, 53202457, 106404914, 212809828]

約数ペア:

[(1, 212809828), (2, 106404914), (4, 53202457), (7, 30401404), (11, 19346348), (14, 15200702), (22, 9673174), (28, 7600351), (44, 4836587), (77, 2763764), (101, 2107028), (154, 1381882), (202, 1053514), (308, 690941), (404, 526757), (707, 301004), (1111, 191548), (1414, 150502), (2222, 95774), (2828, 75251), (4444, 47887), (6841, 31108), (7777, 27364), (13682, 15554)]