16981130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 34898688

約数和(自身を除く): 17917558

約数列:

[1, 2, 5, 10, 17, 23, 34, 43, 46, 85, 86, 101, 115, 170, 202, 215, 230, 391, 430, 505, 731, 782, 989, 1010, 1462, 1717, 1955, 1978, 2323, 3434, 3655, 3910, 4343, 4646, 4945, 7310, 8585, 8686, 9890, 11615, 16813, 17170, 21715, 23230, 33626, 39491, 43430, 73831, 78982, 84065, 99889, 147662, 168130, 197455, 199778, 369155, 394910, 499445, 738310, 998890, 1698113, 3396226, 8490565, 16981130]

約数ペア:

[(1, 16981130), (2, 8490565), (5, 3396226), (10, 1698113), (17, 998890), (23, 738310), (34, 499445), (43, 394910), (46, 369155), (85, 199778), (86, 197455), (101, 168130), (115, 147662), (170, 99889), (202, 84065), (215, 78982), (230, 73831), (391, 43430), (430, 39491), (505, 33626), (731, 23230), (782, 21715), (989, 17170), (1010, 16813), (1462, 11615), (1717, 9890), (1955, 8686), (1978, 8585), (2323, 7310), (3434, 4945), (3655, 4646), (3910, 4343)]