63953890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6389}}^1$

素因数の和:6427

約数の個数: 64

約数和(自身を含む): 154586880

約数和(自身を除く): 90632990

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 6389, 10010, 12778, 31945, 44723, 63890, 70279, 83057, 89446, 140558, 166114, 223615, 351395, 415285, 447230, 491953, 581399, 702790, 830570, 913627, 983906, 1162798, 1827254, 2459765, 2906995, 4568135, 4919530, 5813990, 6395389, 9136270, 12790778, 31976945, 63953890]

約数ペア:

[(1, 63953890), (2, 31976945), (5, 12790778), (7, 9136270), (10, 6395389), (11, 5813990), (13, 4919530), (14, 4568135), (22, 2906995), (26, 2459765), (35, 1827254), (55, 1162798), (65, 983906), (70, 913627), (77, 830570), (91, 702790), (110, 581399), (130, 491953), (143, 447230), (154, 415285), (182, 351395), (286, 223615), (385, 166114), (455, 140558), (715, 89446), (770, 83057), (910, 70279), (1001, 63890), (1430, 44723), (2002, 31945), (5005, 12778), (6389, 10010)]