31500898

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 32849822

約数列:

[1, 2, 11, 13, 17, 19, 22, 26, 31, 34, 38, 62, 121, 143, 187, 209, 221, 242, 247, 286, 323, 341, 374, 403, 418, 442, 494, 527, 589, 646, 682, 806, 1054, 1178, 1573, 2057, 2299, 2431, 2717, 3146, 3553, 3751, 4114, 4199, 4433, 4598, 4862, 5434, 5797, 6479, 6851, 7106, 7502, 7657, 8398, 8866, 10013, 11594, 12958, 13702, 15314, 20026, 26741, 29887, 39083, 46189, 48763, 53482, 59774, 63767, 71269, 75361, 78166, 84227, 92378, 97526, 110143, 127534, 130169, 142538, 150722, 168454, 220286, 260338, 508079, 828971, 926497, 1016158, 1211573, 1431859, 1657942, 1852994, 2423146, 2863718, 15750449, 31500898]

約数ペア:

[(1, 31500898), (2, 15750449), (11, 2863718), (13, 2423146), (17, 1852994), (19, 1657942), (22, 1431859), (26, 1211573), (31, 1016158), (34, 926497), (38, 828971), (62, 508079), (121, 260338), (143, 220286), (187, 168454), (209, 150722), (221, 142538), (242, 130169), (247, 127534), (286, 110143), (323, 97526), (341, 92378), (374, 84227), (403, 78166), (418, 75361), (442, 71269), (494, 63767), (527, 59774), (589, 53482), (646, 48763), (682, 46189), (806, 39083), (1054, 29887), (1178, 26741), (1573, 20026), (2057, 15314), (2299, 13702), (2431, 12958), (2717, 11594), (3146, 10013), (3553, 8866), (3751, 8398), (4114, 7657), (4199, 7502), (4433, 7106), (4598, 6851), (4862, 6479), (5434, 5797)]