78464412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{431}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 214643520

約数和(自身を除く): 136179108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 389, 431, 468, 778, 862, 1167, 1293, 1556, 1724, 2334, 2586, 3501, 3879, 4668, 5057, 5172, 5603, 7002, 7758, 10114, 11206, 14004, 15171, 15516, 16809, 20228, 22412, 30342, 33618, 45513, 50427, 60684, 67236, 91026, 100854, 167659, 182052, 201708, 335318, 502977, 670636, 1005954, 1508931, 2011908, 2179567, 3017862, 4359134, 6035724, 6538701, 8718268, 13077402, 19616103, 26154804, 39232206, 78464412]

約数ペア:

[(1, 78464412), (2, 39232206), (3, 26154804), (4, 19616103), (6, 13077402), (9, 8718268), (12, 6538701), (13, 6035724), (18, 4359134), (26, 3017862), (36, 2179567), (39, 2011908), (52, 1508931), (78, 1005954), (117, 670636), (156, 502977), (234, 335318), (389, 201708), (431, 182052), (468, 167659), (778, 100854), (862, 91026), (1167, 67236), (1293, 60684), (1556, 50427), (1724, 45513), (2334, 33618), (2586, 30342), (3501, 22412), (3879, 20228), (4668, 16809), (5057, 15516), (5172, 15171), (5603, 14004), (7002, 11206), (7758, 10114)]