28640842

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 46604160

約数和(自身を除く): 17963318

約数列:

[1, 2, 23, 46, 59, 61, 118, 122, 173, 346, 1357, 1403, 2714, 2806, 3599, 3979, 7198, 7958, 10207, 10553, 20414, 21106, 82777, 165554, 234761, 242719, 469522, 485438, 622627, 1245254, 14320421, 28640842]

約数ペア:

[(1, 28640842), (2, 14320421), (23, 1245254), (46, 622627), (59, 485438), (61, 469522), (118, 242719), (122, 234761), (173, 165554), (346, 82777), (1357, 21106), (1403, 20414), (2714, 10553), (2806, 10207), (3599, 7958), (3979, 7198)]