393465670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 790788096

約数和(自身を除く): 397322426

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 71, 94, 130, 142, 235, 355, 470, 611, 710, 907, 923, 1222, 1814, 1846, 3055, 3337, 4535, 4615, 6110, 6674, 9070, 9230, 11791, 16685, 23582, 33370, 42629, 43381, 58955, 64397, 85258, 86762, 117910, 128794, 213145, 216905, 321985, 426290, 433810, 554177, 643970, 837161, 1108354, 1674322, 2770885, 3026659, 4185805, 5541770, 6053318, 8371610, 15133295, 30266590, 39346567, 78693134, 196732835, 393465670]

約数ペア:

[(1, 393465670), (2, 196732835), (5, 78693134), (10, 39346567), (13, 30266590), (26, 15133295), (47, 8371610), (65, 6053318), (71, 5541770), (94, 4185805), (130, 3026659), (142, 2770885), (235, 1674322), (355, 1108354), (470, 837161), (611, 643970), (710, 554177), (907, 433810), (923, 426290), (1222, 321985), (1814, 216905), (1846, 213145), (3055, 128794), (3337, 117910), (4535, 86762), (4615, 85258), (6110, 64397), (6674, 58955), (9070, 43381), (9230, 42629), (11791, 33370), (16685, 23582)]