81352518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 184730112

約数和(自身を除く): 103377594

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 137, 138, 274, 299, 331, 411, 598, 662, 822, 897, 993, 1781, 1794, 1986, 3151, 3562, 4303, 5343, 6302, 7613, 8606, 9453, 10686, 12909, 15226, 18906, 22839, 25818, 40963, 45347, 45678, 81926, 90694, 98969, 122889, 136041, 197938, 245778, 272082, 296907, 589511, 593814, 1042981, 1179022, 1768533, 2085962, 3128943, 3537066, 6257886, 13558753, 27117506, 40676259, 81352518]

約数ペア:

[(1, 81352518), (2, 40676259), (3, 27117506), (6, 13558753), (13, 6257886), (23, 3537066), (26, 3128943), (39, 2085962), (46, 1768533), (69, 1179022), (78, 1042981), (137, 593814), (138, 589511), (274, 296907), (299, 272082), (331, 245778), (411, 197938), (598, 136041), (662, 122889), (822, 98969), (897, 90694), (993, 81926), (1781, 45678), (1794, 45347), (1986, 40963), (3151, 25818), (3562, 22839), (4303, 18906), (5343, 15226), (6302, 12909), (7613, 10686), (8606, 9453)]