213543308420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26494207}}^1$

素因数の和:26494260

約数の個数: 48

約数和(自身を含む): 498515017728

約数和(自身を除く): 284971709308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 26494207, 52988414, 105976828, 132471035, 264942070, 344424691, 529884140, 688849382, 821320417, 1377698764, 1642640834, 1722123455, 3285281668, 3444246910, 4106602085, 6888493820, 8213204170, 10677165421, 16426408340, 21354330842, 42708661684, 53385827105, 106771654210, 213543308420]

約数ペア:

[(1, 213543308420), (2, 106771654210), (4, 53385827105), (5, 42708661684), (10, 21354330842), (13, 16426408340), (20, 10677165421), (26, 8213204170), (31, 6888493820), (52, 4106602085), (62, 3444246910), (65, 3285281668), (124, 1722123455), (130, 1642640834), (155, 1377698764), (260, 821320417), (310, 688849382), (403, 529884140), (620, 344424691), (806, 264942070), (1612, 132471035), (2015, 105976828), (4030, 52988414), (8060, 26494207)]