289940714

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{1427}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 519837696

約数和(自身を除く): 229896982

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 631, 1262, 1427, 2854, 4417, 8834, 9989, 14513, 19978, 29026, 32821, 65642, 101591, 203182, 229747, 459494, 900437, 1800874, 6303059, 12606118, 20710051, 41420102, 144970357, 289940714]

約数ペア:

[(1, 289940714), (2, 144970357), (7, 41420102), (14, 20710051), (23, 12606118), (46, 6303059), (161, 1800874), (322, 900437), (631, 459494), (1262, 229747), (1427, 203182), (2854, 101591), (4417, 65642), (8834, 32821), (9989, 29026), (14513, 19978)]