245653668

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:395

約数の個数: 144

約数和(自身を含む): 707931840

約数和(自身を除く): 462278172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 43, 52, 54, 78, 86, 108, 117, 129, 156, 169, 172, 234, 258, 313, 338, 351, 387, 468, 507, 516, 559, 626, 676, 702, 774, 939, 1014, 1118, 1161, 1252, 1404, 1521, 1548, 1677, 1878, 2028, 2236, 2322, 2817, 3042, 3354, 3756, 4069, 4563, 4644, 5031, 5634, 6084, 6708, 7267, 8138, 8451, 9126, 10062, 11268, 12207, 13459, 14534, 15093, 16276, 16902, 18252, 20124, 21801, 24414, 26918, 29068, 30186, 33804, 36621, 40377, 43602, 48828, 52897, 53836, 60372, 65403, 73242, 80754, 87204, 105794, 109863, 121131, 130806, 146484, 158691, 161508, 174967, 196209, 211588, 219726, 242262, 261612, 317382, 349934, 363393, 392418, 439452, 476073, 484524, 524901, 634764, 699868, 726786, 784836, 952146, 1049802, 1428219, 1453572, 1574703, 1904292, 2099604, 2274571, 2856438, 3149406, 4549142, 4724109, 5712876, 6298812, 6823713, 9098284, 9448218, 13647426, 18896436, 20471139, 27294852, 40942278, 61413417, 81884556, 122826834, 245653668]

約数ペア:

[(1, 245653668), (2, 122826834), (3, 81884556), (4, 61413417), (6, 40942278), (9, 27294852), (12, 20471139), (13, 18896436), (18, 13647426), (26, 9448218), (27, 9098284), (36, 6823713), (39, 6298812), (43, 5712876), (52, 4724109), (54, 4549142), (78, 3149406), (86, 2856438), (108, 2274571), (117, 2099604), (129, 1904292), (156, 1574703), (169, 1453572), (172, 1428219), (234, 1049802), (258, 952146), (313, 784836), (338, 726786), (351, 699868), (387, 634764), (468, 524901), (507, 484524), (516, 476073), (559, 439452), (626, 392418), (676, 363393), (702, 349934), (774, 317382), (939, 261612), (1014, 242262), (1118, 219726), (1161, 211588), (1252, 196209), (1404, 174967), (1521, 161508), (1548, 158691), (1677, 146484), (1878, 130806), (2028, 121131), (2236, 109863), (2322, 105794), (2817, 87204), (3042, 80754), (3354, 73242), (3756, 65403), (4069, 60372), (4563, 53836), (4644, 52897), (5031, 48828), (5634, 43602), (6084, 40377), (6708, 36621), (7267, 33804), (8138, 30186), (8451, 29068), (9126, 26918), (10062, 24414), (11268, 21801), (12207, 20124), (13459, 18252), (14534, 16902), (15093, 16276)]