245121968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{168353}}^1$

素因数の和:168381

約数の個数: 40

約数和(自身を含む): 584525088

約数和(自身を除く): 339403120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 168353, 336706, 673412, 1178471, 1346824, 2188589, 2356942, 2693648, 4377178, 4713884, 8754356, 9427768, 15320123, 17508712, 18855536, 30640246, 35017424, 61280492, 122560984, 245121968]

約数ペア:

[(1, 245121968), (2, 122560984), (4, 61280492), (7, 35017424), (8, 30640246), (13, 18855536), (14, 17508712), (16, 15320123), (26, 9427768), (28, 8754356), (52, 4713884), (56, 4377178), (91, 2693648), (104, 2356942), (112, 2188589), (182, 1346824), (208, 1178471), (364, 673412), (728, 336706), (1456, 168353)]