613654340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{35227}}^1$

素因数の和:35316

約数の個数: 48

約数和(自身を含む): 1408556352

約数和(自身を除く): 794902012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 17420, 35227, 70454, 140908, 176135, 352270, 457951, 704540, 915902, 1831804, 2289755, 2360209, 4579510, 4720418, 9159020, 9440836, 11801045, 23602090, 30682717, 47204180, 61365434, 122730868, 153413585, 306827170, 613654340]

約数ペア:

[(1, 613654340), (2, 306827170), (4, 153413585), (5, 122730868), (10, 61365434), (13, 47204180), (20, 30682717), (26, 23602090), (52, 11801045), (65, 9440836), (67, 9159020), (130, 4720418), (134, 4579510), (260, 2360209), (268, 2289755), (335, 1831804), (670, 915902), (871, 704540), (1340, 457951), (1742, 352270), (3484, 176135), (4355, 140908), (8710, 70454), (17420, 35227)]