655702968

素因数分解:

$2^3\times 3^1\times {\mathrm{1997}}^1\times {\mathrm{13681}}^1$

素因数の和:15687

約数の個数: 32

約数和(自身を含む): 1640198160

約数和(自身を除く): 984495192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1997, 3994, 5991, 7988, 11982, 13681, 15976, 23964, 27362, 41043, 47928, 54724, 82086, 109448, 164172, 328344, 27320957, 54641914, 81962871, 109283828, 163925742, 218567656, 327851484, 655702968]

約数ペア:

[(1, 655702968), (2, 327851484), (3, 218567656), (4, 163925742), (6, 109283828), (8, 81962871), (12, 54641914), (24, 27320957), (1997, 328344), (3994, 164172), (5991, 109448), (7988, 82086), (11982, 54724), (13681, 47928), (15976, 41043), (23964, 27362)]