12171952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 40

約数和(自身を含む): 25640720

約数和(自身を除く): 13468768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 421, 556, 842, 1112, 1684, 1807, 2224, 3368, 3614, 5473, 6736, 7228, 10946, 14456, 21892, 28912, 43784, 58519, 87568, 117038, 234076, 468152, 760747, 936304, 1521494, 3042988, 6085976, 12171952]

約数ペア:

[(1, 12171952), (2, 6085976), (4, 3042988), (8, 1521494), (13, 936304), (16, 760747), (26, 468152), (52, 234076), (104, 117038), (139, 87568), (208, 58519), (278, 43784), (421, 28912), (556, 21892), (842, 14456), (1112, 10946), (1684, 7228), (1807, 6736), (2224, 5473), (3368, 3614)]