25199746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 48335616

約数和(自身を除く): 23135870

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 71, 73, 142, 143, 146, 187, 221, 286, 374, 442, 781, 803, 923, 949, 1207, 1241, 1562, 1606, 1846, 1898, 2414, 2431, 2482, 4862, 5183, 10153, 10366, 10439, 13277, 13651, 15691, 16133, 20306, 20878, 26554, 27302, 31382, 32266, 57013, 67379, 88111, 114026, 134758, 172601, 176222, 177463, 345202, 354926, 741169, 969221, 1145443, 1482338, 1938442, 2290886, 12599873, 25199746]

約数ペア:

[(1, 25199746), (2, 12599873), (11, 2290886), (13, 1938442), (17, 1482338), (22, 1145443), (26, 969221), (34, 741169), (71, 354926), (73, 345202), (142, 177463), (143, 176222), (146, 172601), (187, 134758), (221, 114026), (286, 88111), (374, 67379), (442, 57013), (781, 32266), (803, 31382), (923, 27302), (949, 26554), (1207, 20878), (1241, 20306), (1562, 16133), (1606, 15691), (1846, 13651), (1898, 13277), (2414, 10439), (2431, 10366), (2482, 10153), (4862, 5183)]