678661874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 1237800960

約数和(自身を除く): 559139086

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 73, 146, 209, 253, 418, 437, 506, 803, 874, 967, 1387, 1606, 1679, 1934, 2774, 3358, 4807, 9614, 10637, 15257, 18373, 18469, 21274, 22241, 30514, 31901, 36746, 36938, 44482, 63802, 70591, 141182, 202103, 244651, 350911, 404206, 422579, 489302, 701822, 776501, 845158, 1341229, 1553002, 1623593, 2682458, 3247186, 4648369, 9296738, 14753519, 17859523, 29507038, 30848267, 35719046, 61696534, 339330937, 678661874]

約数ペア:

[(1, 678661874), (2, 339330937), (11, 61696534), (19, 35719046), (22, 30848267), (23, 29507038), (38, 17859523), (46, 14753519), (73, 9296738), (146, 4648369), (209, 3247186), (253, 2682458), (418, 1623593), (437, 1553002), (506, 1341229), (803, 845158), (874, 776501), (967, 701822), (1387, 489302), (1606, 422579), (1679, 404206), (1934, 350911), (2774, 244651), (3358, 202103), (4807, 141182), (9614, 70591), (10637, 63802), (15257, 44482), (18373, 36938), (18469, 36746), (21274, 31901), (22241, 30514)]