399160138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{229139}}^1$

素因数の和:229221

約数の個数: 16

約数和(自身を含む): 654423840

約数和(自身を除く): 255263702

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 229139, 458278, 2978807, 5957614, 15352313, 30704626, 199580069, 399160138]

約数ペア:

[(1, 399160138), (2, 199580069), (13, 30704626), (26, 15352313), (67, 5957614), (134, 2978807), (871, 458278), (1742, 229139)]