2421968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 5118720

約数和(自身を除く): 2696752

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 257, 304, 496, 514, 589, 1028, 1178, 2056, 2356, 4112, 4712, 4883, 7967, 9424, 9766, 15934, 19532, 31868, 39064, 63736, 78128, 127472, 151373, 302746, 605492, 1210984, 2421968]

約数ペア:

[(1, 2421968), (2, 1210984), (4, 605492), (8, 302746), (16, 151373), (19, 127472), (31, 78128), (38, 63736), (62, 39064), (76, 31868), (124, 19532), (152, 15934), (248, 9766), (257, 9424), (304, 7967), (496, 4883), (514, 4712), (589, 4112), (1028, 2356), (1178, 2056)]