138399395

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 179625600

約数和(自身を除く): 41226205

約数列:

[1, 5, 23, 41, 115, 149, 197, 205, 745, 943, 985, 3427, 4531, 4715, 6109, 8077, 17135, 22655, 29353, 30545, 40385, 140507, 146765, 185771, 675119, 702535, 928855, 1203473, 3375595, 6017365, 27679879, 138399395]

約数ペア:

[(1, 138399395), (5, 27679879), (23, 6017365), (41, 3375595), (115, 1203473), (149, 928855), (197, 702535), (205, 675119), (745, 185771), (943, 146765), (985, 140507), (3427, 40385), (4531, 30545), (4715, 29353), (6109, 22655), (8077, 17135)]