81945898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{349}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 134064000

約数和(自身を除く): 52118102

約数列:

[1, 2, 19, 37, 38, 74, 167, 334, 349, 698, 703, 1406, 3173, 6179, 6346, 6631, 12358, 12913, 13262, 25826, 58283, 116566, 117401, 234802, 245347, 490694, 1107377, 2156471, 2214754, 4312942, 40972949, 81945898]

約数ペア:

[(1, 81945898), (2, 40972949), (19, 4312942), (37, 2214754), (38, 2156471), (74, 1107377), (167, 490694), (334, 245347), (349, 234802), (698, 117401), (703, 116566), (1406, 58283), (3173, 25826), (6179, 13262), (6346, 12913), (6631, 12358)]