725391496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 1478936880

約数和(自身を除く): 753545384

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 157, 212, 314, 424, 628, 641, 901, 1256, 1282, 1802, 2564, 2669, 3604, 5128, 5338, 7208, 8321, 10676, 10897, 16642, 21352, 21794, 33284, 33973, 43588, 66568, 67946, 87176, 100637, 135892, 141457, 201274, 271784, 282914, 402548, 565828, 577541, 805096, 1131656, 1155082, 1710829, 2310164, 3421658, 4620328, 5333761, 6843316, 10667522, 13686632, 21335044, 42670088, 90673937, 181347874, 362695748, 725391496]

約数ペア:

[(1, 725391496), (2, 362695748), (4, 181347874), (8, 90673937), (17, 42670088), (34, 21335044), (53, 13686632), (68, 10667522), (106, 6843316), (136, 5333761), (157, 4620328), (212, 3421658), (314, 2310164), (424, 1710829), (628, 1155082), (641, 1131656), (901, 805096), (1256, 577541), (1282, 565828), (1802, 402548), (2564, 282914), (2669, 271784), (3604, 201274), (5128, 141457), (5338, 135892), (7208, 100637), (8321, 87176), (10676, 67946), (10897, 66568), (16642, 43588), (21352, 33973), (21794, 33284)]