78809378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 129600000

約数和(自身を除く): 50790622

約数列:

[1, 2, 19, 31, 38, 62, 149, 298, 449, 589, 898, 1178, 2831, 4619, 5662, 8531, 9238, 13919, 17062, 27838, 66901, 87761, 133802, 175522, 264461, 528922, 1271119, 2073931, 2542238, 4147862, 39404689, 78809378]

約数ペア:

[(1, 78809378), (2, 39404689), (19, 4147862), (31, 2542238), (38, 2073931), (62, 1271119), (149, 528922), (298, 264461), (449, 175522), (589, 133802), (898, 87761), (1178, 66901), (2831, 27838), (4619, 17062), (5662, 13919), (8531, 9238)]