199903256

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2111}}^1$

素因数の和:2232

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 256288744

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 89, 133, 152, 178, 266, 356, 532, 623, 712, 1064, 1246, 1691, 2111, 2492, 3382, 4222, 4984, 6764, 8444, 11837, 13528, 14777, 16888, 23674, 29554, 40109, 47348, 59108, 80218, 94696, 118216, 160436, 187879, 280763, 320872, 375758, 561526, 751516, 1123052, 1315153, 1503032, 2246104, 2630306, 3569701, 5260612, 7139402, 10521224, 14278804, 24987907, 28557608, 49975814, 99951628, 199903256]

約数ペア:

[(1, 199903256), (2, 99951628), (4, 49975814), (7, 28557608), (8, 24987907), (14, 14278804), (19, 10521224), (28, 7139402), (38, 5260612), (56, 3569701), (76, 2630306), (89, 2246104), (133, 1503032), (152, 1315153), (178, 1123052), (266, 751516), (356, 561526), (532, 375758), (623, 320872), (712, 280763), (1064, 187879), (1246, 160436), (1691, 118216), (2111, 94696), (2492, 80218), (3382, 59108), (4222, 47348), (4984, 40109), (6764, 29554), (8444, 23674), (11837, 16888), (13528, 14777)]