30777890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21523}}^1$

素因数の和:21554

約数の個数: 32

約数和(自身を含む): 65088576

約数和(自身を除く): 34310686

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21523, 43046, 107615, 215230, 236753, 279799, 473506, 559598, 1183765, 1398995, 2367530, 2797990, 3077789, 6155578, 15388945, 30777890]

約数ペア:

[(1, 30777890), (2, 15388945), (5, 6155578), (10, 3077789), (11, 2797990), (13, 2367530), (22, 1398995), (26, 1183765), (55, 559598), (65, 473506), (110, 279799), (130, 236753), (143, 215230), (286, 107615), (715, 43046), (1430, 21523)]