42639376

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{1213}}^1$

素因数の和:1260

約数の個数: 40

約数和(自身を含む): 89568920

約数和(自身を除く): 46929544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1213, 1352, 2197, 2426, 2704, 4394, 4852, 8788, 9704, 15769, 17576, 19408, 31538, 35152, 63076, 126152, 204997, 252304, 409994, 819988, 1639976, 2664961, 3279952, 5329922, 10659844, 21319688, 42639376]

約数ペア:

[(1, 42639376), (2, 21319688), (4, 10659844), (8, 5329922), (13, 3279952), (16, 2664961), (26, 1639976), (52, 819988), (104, 409994), (169, 252304), (208, 204997), (338, 126152), (676, 63076), (1213, 35152), (1352, 31538), (2197, 19408), (2426, 17576), (2704, 15769), (4394, 9704), (4852, 8788)]