129978264

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1621}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 351519840

約数和(自身を除く): 221541576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 257, 312, 514, 771, 1028, 1542, 1621, 2056, 3084, 3242, 3341, 4863, 6168, 6484, 6682, 9726, 10023, 12968, 13364, 19452, 20046, 21073, 26728, 38904, 40092, 42146, 63219, 80184, 84292, 126438, 168584, 252876, 416597, 505752, 833194, 1249791, 1666388, 2499582, 3332776, 4999164, 5415761, 9998328, 10831522, 16247283, 21663044, 32494566, 43326088, 64989132, 129978264]

約数ペア:

[(1, 129978264), (2, 64989132), (3, 43326088), (4, 32494566), (6, 21663044), (8, 16247283), (12, 10831522), (13, 9998328), (24, 5415761), (26, 4999164), (39, 3332776), (52, 2499582), (78, 1666388), (104, 1249791), (156, 833194), (257, 505752), (312, 416597), (514, 252876), (771, 168584), (1028, 126438), (1542, 84292), (1621, 80184), (2056, 63219), (3084, 42146), (3242, 40092), (3341, 38904), (4863, 26728), (6168, 21073), (6484, 20046), (6682, 19452), (9726, 13364), (10023, 12968)]