218244208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149893}}^1$

素因数の和:149921

約数の個数: 40

約数和(自身を含む): 520431968

約数和(自身を除く): 302187760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 149893, 299786, 599572, 1049251, 1199144, 1948609, 2098502, 2398288, 3897218, 4197004, 7794436, 8394008, 13640263, 15588872, 16788016, 27280526, 31177744, 54561052, 109122104, 218244208]

約数ペア:

[(1, 218244208), (2, 109122104), (4, 54561052), (7, 31177744), (8, 27280526), (13, 16788016), (14, 15588872), (16, 13640263), (26, 8394008), (28, 7794436), (52, 4197004), (56, 3897218), (91, 2398288), (104, 2098502), (112, 1948609), (182, 1199144), (208, 1049251), (364, 599572), (728, 299786), (1456, 149893)]