1978318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:759

約数の個数: 16

約数和(自身を含む): 3168000

約数和(自身を除く): 1189682

約数列:

[1, 2, 19, 38, 79, 158, 659, 1318, 1501, 3002, 12521, 25042, 52061, 104122, 989159, 1978318]

約数ペア:

[(1, 1978318), (2, 989159), (19, 104122), (38, 52061), (79, 25042), (158, 12521), (659, 3002), (1318, 1501)]