2891474278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1217

約数の個数: 64

約数和(自身を含む): 5489491968

約数和(自身を除く): 2598017690

約数列:

[1, 2, 7, 11, 14, 22, 77, 127, 154, 163, 254, 326, 889, 907, 1141, 1397, 1778, 1793, 1814, 2282, 2794, 3586, 6349, 9779, 9977, 12551, 12698, 19558, 19954, 20701, 25102, 41402, 69839, 115189, 139678, 144907, 147841, 227711, 230378, 289814, 295682, 455422, 806323, 1034887, 1267079, 1593977, 1612646, 1626251, 2069774, 2534158, 3187954, 3252502, 8869553, 11383757, 17739106, 18775807, 22767514, 37551614, 131430649, 206533877, 262861298, 413067754, 1445737139, 2891474278]

約数ペア:

[(1, 2891474278), (2, 1445737139), (7, 413067754), (11, 262861298), (14, 206533877), (22, 131430649), (77, 37551614), (127, 22767514), (154, 18775807), (163, 17739106), (254, 11383757), (326, 8869553), (889, 3252502), (907, 3187954), (1141, 2534158), (1397, 2069774), (1778, 1626251), (1793, 1612646), (1814, 1593977), (2282, 1267079), (2794, 1034887), (3586, 806323), (6349, 455422), (9779, 295682), (9977, 289814), (12551, 230378), (12698, 227711), (19558, 147841), (19954, 144907), (20701, 139678), (25102, 115189), (41402, 69839)]