781027130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{207169}}^1$

素因数の和:207218

約数の個数: 32

約数和(自身を含む): 1566205200

約数和(自身を除く): 785178070

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 207169, 414338, 1035845, 2071690, 2693197, 5386394, 6007901, 12015802, 13465985, 26931970, 30039505, 60079010, 78102713, 156205426, 390513565, 781027130]

約数ペア:

[(1, 781027130), (2, 390513565), (5, 156205426), (10, 78102713), (13, 60079010), (26, 30039505), (29, 26931970), (58, 13465985), (65, 12015802), (130, 6007901), (145, 5386394), (290, 2693197), (377, 2071690), (754, 1035845), (1885, 414338), (3770, 207169)]