40640418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 111086976

約数和(自身を除く): 70446558

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 43, 63, 78, 86, 91, 117, 126, 129, 182, 234, 258, 273, 301, 387, 546, 559, 577, 602, 774, 819, 903, 1118, 1154, 1638, 1677, 1731, 1806, 2709, 3354, 3462, 3913, 4039, 5031, 5193, 5418, 7501, 7826, 8078, 10062, 10386, 11739, 12117, 15002, 22503, 23478, 24234, 24811, 35217, 36351, 45006, 49622, 52507, 67509, 70434, 72702, 74433, 105014, 135018, 148866, 157521, 173677, 223299, 315042, 322543, 347354, 446598, 472563, 521031, 645086, 945126, 967629, 1042062, 1563093, 1935258, 2257801, 2902887, 3126186, 4515602, 5805774, 6773403, 13546806, 20320209, 40640418]

約数ペア:

[(1, 40640418), (2, 20320209), (3, 13546806), (6, 6773403), (7, 5805774), (9, 4515602), (13, 3126186), (14, 2902887), (18, 2257801), (21, 1935258), (26, 1563093), (39, 1042062), (42, 967629), (43, 945126), (63, 645086), (78, 521031), (86, 472563), (91, 446598), (117, 347354), (126, 322543), (129, 315042), (182, 223299), (234, 173677), (258, 157521), (273, 148866), (301, 135018), (387, 105014), (546, 74433), (559, 72702), (577, 70434), (602, 67509), (774, 52507), (819, 49622), (903, 45006), (1118, 36351), (1154, 35217), (1638, 24811), (1677, 24234), (1731, 23478), (1806, 22503), (2709, 15002), (3354, 12117), (3462, 11739), (3913, 10386), (4039, 10062), (5031, 8078), (5193, 7826), (5418, 7501)]