31890664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16139}}^1$

素因数の和:16177

約数の個数: 32

約数和(自身を含む): 67788000

約数和(自身を除く): 35897336

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 16139, 32278, 64556, 129112, 209807, 306641, 419614, 613282, 839228, 1226564, 1678456, 2453128, 3986333, 7972666, 15945332, 31890664]

約数ペア:

[(1, 31890664), (2, 15945332), (4, 7972666), (8, 3986333), (13, 2453128), (19, 1678456), (26, 1226564), (38, 839228), (52, 613282), (76, 419614), (104, 306641), (152, 209807), (247, 129112), (494, 64556), (988, 32278), (1976, 16139)]