13121900512

素因数分解:

$2^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{288571}}^1$

素因数の和:288624

約数の個数: 72

約数和(自身を含む): 31087861560

約数和(自身を除く): 17965961048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 98, 112, 116, 196, 203, 224, 232, 392, 406, 464, 784, 812, 928, 1421, 1568, 1624, 2842, 3248, 5684, 6496, 11368, 22736, 45472, 288571, 577142, 1154284, 2019997, 2308568, 4039994, 4617136, 8079988, 8368559, 9234272, 14139979, 16159976, 16737118, 28279958, 32319952, 33474236, 56559916, 58579913, 64639904, 66948472, 113119832, 117159826, 133896944, 226239664, 234319652, 267793888, 410059391, 452479328, 468639304, 820118782, 937278608, 1640237564, 1874557216, 3280475128, 6560950256, 13121900512]

約数ペア:

[(1, 13121900512), (2, 6560950256), (4, 3280475128), (7, 1874557216), (8, 1640237564), (14, 937278608), (16, 820118782), (28, 468639304), (29, 452479328), (32, 410059391), (49, 267793888), (56, 234319652), (58, 226239664), (98, 133896944), (112, 117159826), (116, 113119832), (196, 66948472), (203, 64639904), (224, 58579913), (232, 56559916), (392, 33474236), (406, 32319952), (464, 28279958), (784, 16737118), (812, 16159976), (928, 14139979), (1421, 9234272), (1568, 8368559), (1624, 8079988), (2842, 4617136), (3248, 4039994), (5684, 2308568), (6496, 2019997), (11368, 1154284), (22736, 577142), (45472, 288571)]