690404

素因数分解:

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

素因数の和:116

約数の個数: 48

約数和(自身を含む): 1524096

約数和(自身を除く): 833692

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 71, 142, 143, 187, 221, 284, 286, 374, 442, 572, 748, 781, 884, 923, 1207, 1562, 1846, 2414, 2431, 3124, 3692, 4828, 4862, 9724, 10153, 13277, 15691, 20306, 26554, 31382, 40612, 53108, 62764, 172601, 345202, 690404]

約数ペア:

[(1, 690404), (2, 345202), (4, 172601), (11, 62764), (13, 53108), (17, 40612), (22, 31382), (26, 26554), (34, 20306), (44, 15691), (52, 13277), (68, 10153), (71, 9724), (142, 4862), (143, 4828), (187, 3692), (221, 3124), (284, 2431), (286, 2414), (374, 1846), (442, 1562), (572, 1207), (748, 923), (781, 884)]