121782856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61631}}^1$

素因数の和:61669

約数の個数: 32

約数和(自身を含む): 258854400

約数和(自身を除く): 137071544

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 61631, 123262, 246524, 493048, 801203, 1170989, 1602406, 2341978, 3204812, 4683956, 6409624, 9367912, 15222857, 30445714, 60891428, 121782856]

約数ペア:

[(1, 121782856), (2, 60891428), (4, 30445714), (8, 15222857), (13, 9367912), (19, 6409624), (26, 4683956), (38, 3204812), (52, 2341978), (76, 1602406), (104, 1170989), (152, 801203), (247, 493048), (494, 246524), (988, 123262), (1976, 61631)]