1380808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 3265920

約数和(自身を除く): 1885112

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 71, 88, 104, 136, 142, 143, 187, 221, 284, 286, 374, 442, 568, 572, 748, 781, 884, 923, 1144, 1207, 1496, 1562, 1768, 1846, 2414, 2431, 3124, 3692, 4828, 4862, 6248, 7384, 9656, 9724, 10153, 13277, 15691, 19448, 20306, 26554, 31382, 40612, 53108, 62764, 81224, 106216, 125528, 172601, 345202, 690404, 1380808]

約数ペア:

[(1, 1380808), (2, 690404), (4, 345202), (8, 172601), (11, 125528), (13, 106216), (17, 81224), (22, 62764), (26, 53108), (34, 40612), (44, 31382), (52, 26554), (68, 20306), (71, 19448), (88, 15691), (104, 13277), (136, 10153), (142, 9724), (143, 9656), (187, 7384), (221, 6248), (284, 4862), (286, 4828), (374, 3692), (442, 3124), (568, 2431), (572, 2414), (748, 1846), (781, 1768), (884, 1562), (923, 1496), (1144, 1207)]