245142456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1823}}^1$

素因数の和:2276

約数の個数: 64

約数和(自身を含む): 661893120

約数和(自身を除く): 416750664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 431, 862, 1293, 1724, 1823, 2586, 3448, 3646, 5172, 5469, 5603, 7292, 10344, 10938, 11206, 14584, 16809, 21876, 22412, 23699, 33618, 43752, 44824, 47398, 67236, 71097, 94796, 134472, 142194, 189592, 284388, 568776, 785713, 1571426, 2357139, 3142852, 4714278, 6285704, 9428556, 10214269, 18857112, 20428538, 30642807, 40857076, 61285614, 81714152, 122571228, 245142456]

約数ペア:

[(1, 245142456), (2, 122571228), (3, 81714152), (4, 61285614), (6, 40857076), (8, 30642807), (12, 20428538), (13, 18857112), (24, 10214269), (26, 9428556), (39, 6285704), (52, 4714278), (78, 3142852), (104, 2357139), (156, 1571426), (312, 785713), (431, 568776), (862, 284388), (1293, 189592), (1724, 142194), (1823, 134472), (2586, 94796), (3448, 71097), (3646, 67236), (5172, 47398), (5469, 44824), (5603, 43752), (7292, 33618), (10344, 23699), (10938, 22412), (11206, 21876), (14584, 16809)]