81781624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{18553}}^1$

素因数の和:18607

約数の個数: 32

約数和(自身を含む): 166986000

約数和(自身を除く): 85204376

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 18553, 37106, 74212, 148424, 352507, 538037, 705014, 1076074, 1410028, 2152148, 2820056, 4304296, 10222703, 20445406, 40890812, 81781624]

約数ペア:

[(1, 81781624), (2, 40890812), (4, 20445406), (8, 10222703), (19, 4304296), (29, 2820056), (38, 2152148), (58, 1410028), (76, 1076074), (116, 705014), (152, 538037), (232, 352507), (551, 148424), (1102, 74212), (2204, 37106), (4408, 18553)]