664872890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{18713}}^1$

素因数の和:18767

約数の個数: 64

約数和(自身を含む): 1455200640

約数和(自身を除く): 790327750

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 646, 935, 1045, 1615, 1870, 2090, 3230, 3553, 7106, 17765, 18713, 35530, 37426, 93565, 187130, 205843, 318121, 355547, 411686, 636242, 711094, 1029215, 1590605, 1777735, 2058430, 3181210, 3499331, 3555470, 3911017, 6044299, 6998662, 7822034, 12088598, 17496655, 19555085, 30221495, 34993310, 39110170, 60442990, 66487289, 132974578, 332436445, 664872890]

約数ペア:

[(1, 664872890), (2, 332436445), (5, 132974578), (10, 66487289), (11, 60442990), (17, 39110170), (19, 34993310), (22, 30221495), (34, 19555085), (38, 17496655), (55, 12088598), (85, 7822034), (95, 6998662), (110, 6044299), (170, 3911017), (187, 3555470), (190, 3499331), (209, 3181210), (323, 2058430), (374, 1777735), (418, 1590605), (646, 1029215), (935, 711094), (1045, 636242), (1615, 411686), (1870, 355547), (2090, 318121), (3230, 205843), (3553, 187130), (7106, 93565), (17765, 37426), (18713, 35530)]