1640365251

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1\times {\mathrm{3257}}^1$

素因数の和:4123

約数の個数: 32

約数和(自身を含む): 2589719040

約数和(自身を除く): 949353789

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 827, 2481, 3257, 5789, 9771, 17367, 22799, 23983, 68397, 71949, 94453, 167881, 283359, 503643, 661171, 1983513, 2693539, 8080617, 18854773, 56564319, 78112631, 234337893, 546788417, 1640365251]

約数ペア:

[(1, 1640365251), (3, 546788417), (7, 234337893), (21, 78112631), (29, 56564319), (87, 18854773), (203, 8080617), (609, 2693539), (827, 1983513), (2481, 661171), (3257, 503643), (5789, 283359), (9771, 167881), (17367, 94453), (22799, 71949), (23983, 68397)]