201931808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1153}}^1$

素因数の和:1597

約数の個数: 48

約数和(自身を含む): 429523416

約数和(自身を除く): 227591608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 421, 842, 1153, 1684, 2306, 3368, 4612, 5473, 6736, 9224, 10946, 13472, 14989, 18448, 21892, 29978, 36896, 43784, 59956, 87568, 119912, 175136, 239824, 479648, 485413, 970826, 1941652, 3883304, 6310369, 7766608, 12620738, 15533216, 25241476, 50482952, 100965904, 201931808]

約数ペア:

[(1, 201931808), (2, 100965904), (4, 50482952), (8, 25241476), (13, 15533216), (16, 12620738), (26, 7766608), (32, 6310369), (52, 3883304), (104, 1941652), (208, 970826), (416, 485413), (421, 479648), (842, 239824), (1153, 175136), (1684, 119912), (2306, 87568), (3368, 59956), (4612, 43784), (5473, 36896), (6736, 29978), (9224, 21892), (10946, 18448), (13472, 14989)]