1277156744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{61331}}^1$

素因数の和:61493

約数の個数: 32

約数和(自身を含む): 2539144800

約数和(自身を除く): 1261988056

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 1096, 2603, 5206, 10412, 20824, 61331, 122662, 245324, 490648, 1165289, 2330578, 4661156, 8402347, 9322312, 16804694, 33609388, 67218776, 159644593, 319289186, 638578372, 1277156744]

約数ペア:

[(1, 1277156744), (2, 638578372), (4, 319289186), (8, 159644593), (19, 67218776), (38, 33609388), (76, 16804694), (137, 9322312), (152, 8402347), (274, 4661156), (548, 2330578), (1096, 1165289), (2603, 490648), (5206, 245324), (10412, 122662), (20824, 61331)]