278626842

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27691}}^1$

素因数の和:27755

約数の個数: 48

約数和(自身を含む): 665272608

約数和(自身を除く): 386645766

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 3354, 5031, 10062, 27691, 55382, 83073, 166146, 249219, 359983, 498438, 719966, 1079949, 1190713, 2159898, 2381426, 3239847, 3572139, 6479694, 7144278, 10716417, 15479269, 21432834, 30958538, 46437807, 92875614, 139313421, 278626842]

約数ペア:

[(1, 278626842), (2, 139313421), (3, 92875614), (6, 46437807), (9, 30958538), (13, 21432834), (18, 15479269), (26, 10716417), (39, 7144278), (43, 6479694), (78, 3572139), (86, 3239847), (117, 2381426), (129, 2159898), (234, 1190713), (258, 1079949), (387, 719966), (559, 498438), (774, 359983), (1118, 249219), (1677, 166146), (3354, 83073), (5031, 55382), (10062, 27691)]