398547994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{3461}}^1$

素因数の和:3622

約数の個数: 32

約数和(自身を含む): 665368704

約数和(自身を除く): 266820710

約数列:

[1, 2, 13, 26, 43, 86, 103, 206, 559, 1118, 1339, 2678, 3461, 4429, 6922, 8858, 44993, 57577, 89986, 115154, 148823, 297646, 356483, 712966, 1934699, 3869398, 4634279, 9268558, 15328769, 30657538, 199273997, 398547994]

約数ペア:

[(1, 398547994), (2, 199273997), (13, 30657538), (26, 15328769), (43, 9268558), (86, 4634279), (103, 3869398), (206, 1934699), (559, 712966), (1118, 356483), (1339, 297646), (2678, 148823), (3461, 115154), (4429, 89986), (6922, 57577), (8858, 44993)]