25694084

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 49190400

約数和(自身を除く): 23496316

約数列:

[1, 2, 4, 13, 26, 52, 169, 191, 199, 338, 382, 398, 676, 764, 796, 2483, 2587, 4966, 5174, 9932, 10348, 32279, 33631, 38009, 64558, 67262, 76018, 129116, 134524, 152036, 494117, 988234, 1976468, 6423521, 12847042, 25694084]

約数ペア:

[(1, 25694084), (2, 12847042), (4, 6423521), (13, 1976468), (26, 988234), (52, 494117), (169, 152036), (191, 134524), (199, 129116), (338, 76018), (382, 67262), (398, 64558), (676, 38009), (764, 33631), (796, 32279), (2483, 10348), (2587, 9932), (4966, 5174)]