15742792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 34675200

約数和(自身を除く): 18932408

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 257, 403, 494, 514, 589, 806, 988, 1028, 1178, 1612, 1976, 2056, 2356, 3224, 3341, 4712, 4883, 6682, 7657, 7967, 9766, 13364, 15314, 15934, 19532, 26728, 30628, 31868, 39064, 61256, 63479, 63736, 103571, 126958, 151373, 207142, 253916, 302746, 414284, 507832, 605492, 828568, 1210984, 1967849, 3935698, 7871396, 15742792]

約数ペア:

[(1, 15742792), (2, 7871396), (4, 3935698), (8, 1967849), (13, 1210984), (19, 828568), (26, 605492), (31, 507832), (38, 414284), (52, 302746), (62, 253916), (76, 207142), (104, 151373), (124, 126958), (152, 103571), (247, 63736), (248, 63479), (257, 61256), (403, 39064), (494, 31868), (514, 30628), (589, 26728), (806, 19532), (988, 15934), (1028, 15314), (1178, 13364), (1612, 9766), (1976, 7967), (2056, 7657), (2356, 6682), (3224, 4883), (3341, 4712)]