131406990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{30631}}^1$

素因数の和:30665

約数の個数: 64

約数和(自身を含む): 370524672

約数和(自身を除く): 239117682

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 30631, 61262, 91893, 153155, 183786, 306310, 336941, 398203, 459465, 673882, 796406, 918930, 1010823, 1194609, 1684705, 1991015, 2021646, 2389218, 3369410, 3982030, 4380233, 5054115, 5973045, 8760466, 10108230, 11946090, 13140699, 21901165, 26281398, 43802330, 65703495, 131406990]

約数ペア:

[(1, 131406990), (2, 65703495), (3, 43802330), (5, 26281398), (6, 21901165), (10, 13140699), (11, 11946090), (13, 10108230), (15, 8760466), (22, 5973045), (26, 5054115), (30, 4380233), (33, 3982030), (39, 3369410), (55, 2389218), (65, 2021646), (66, 1991015), (78, 1684705), (110, 1194609), (130, 1010823), (143, 918930), (165, 796406), (195, 673882), (286, 459465), (330, 398203), (390, 336941), (429, 306310), (715, 183786), (858, 153155), (1430, 91893), (2145, 61262), (4290, 30631)]