643402722

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 1353977856

約数和(自身を除く): 710575134

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 211, 223, 258, 318, 422, 446, 633, 669, 1266, 1338, 2279, 4558, 6837, 9073, 9589, 11183, 11819, 13674, 18146, 19178, 22366, 23638, 27219, 28767, 33549, 35457, 47053, 54438, 57534, 67098, 70914, 94106, 141159, 282318, 480869, 508217, 961738, 1016434, 1442607, 1524651, 2023279, 2493809, 2885214, 3049302, 4046558, 4987618, 6069837, 7481427, 12139674, 14962854, 107233787, 214467574, 321701361, 643402722]

約数ペア:

[(1, 643402722), (2, 321701361), (3, 214467574), (6, 107233787), (43, 14962854), (53, 12139674), (86, 7481427), (106, 6069837), (129, 4987618), (159, 4046558), (211, 3049302), (223, 2885214), (258, 2493809), (318, 2023279), (422, 1524651), (446, 1442607), (633, 1016434), (669, 961738), (1266, 508217), (1338, 480869), (2279, 282318), (4558, 141159), (6837, 94106), (9073, 70914), (9589, 67098), (11183, 57534), (11819, 54438), (13674, 47053), (18146, 35457), (19178, 33549), (22366, 28767), (23638, 27219)]