64489648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 132144320

約数和(自身を除く): 67654672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 307, 614, 691, 1228, 1382, 2456, 2764, 4912, 5528, 5833, 11056, 11666, 13129, 23332, 26258, 46664, 52516, 93328, 105032, 210064, 212137, 424274, 848548, 1697096, 3394192, 4030603, 8061206, 16122412, 32244824, 64489648]

約数ペア:

[(1, 64489648), (2, 32244824), (4, 16122412), (8, 8061206), (16, 4030603), (19, 3394192), (38, 1697096), (76, 848548), (152, 424274), (304, 212137), (307, 210064), (614, 105032), (691, 93328), (1228, 52516), (1382, 46664), (2456, 26258), (2764, 23332), (4912, 13129), (5528, 11666), (5833, 11056)]