215965144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{20101}}^1$

素因数の和:20203

約数の個数: 32

約数和(自身を含む): 434203200

約数和(自身を除く): 218238056

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 2686, 5372, 10744, 20101, 40202, 80404, 160808, 341717, 683434, 1366868, 1587979, 2733736, 3175958, 6351916, 12703832, 26995643, 53991286, 107982572, 215965144]

約数ペア:

[(1, 215965144), (2, 107982572), (4, 53991286), (8, 26995643), (17, 12703832), (34, 6351916), (68, 3175958), (79, 2733736), (136, 1587979), (158, 1366868), (316, 683434), (632, 341717), (1343, 160808), (2686, 80404), (5372, 40202), (10744, 20101)]