78364404

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 221405184

約数和(自身を除く): 143040780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 43, 46, 62, 69, 71, 86, 92, 93, 124, 129, 138, 142, 172, 186, 207, 213, 258, 276, 279, 284, 372, 387, 414, 426, 516, 558, 639, 713, 774, 828, 852, 989, 1116, 1278, 1333, 1426, 1548, 1633, 1978, 2139, 2201, 2556, 2666, 2852, 2967, 3053, 3266, 3956, 3999, 4278, 4402, 4899, 5332, 5934, 6106, 6417, 6532, 6603, 7998, 8556, 8804, 8901, 9159, 9798, 11868, 11997, 12212, 12834, 13206, 14697, 15996, 17802, 18318, 19596, 19809, 23994, 25668, 26412, 27477, 29394, 30659, 35604, 36636, 39618, 47988, 50623, 54954, 58788, 61318, 70219, 79236, 91977, 94643, 101246, 109908, 122636, 140438, 151869, 183954, 189286, 202492, 210657, 275931, 280876, 283929, 303738, 367908, 378572, 421314, 455607, 551862, 567858, 607476, 631971, 842628, 851787, 911214, 1103724, 1135716, 1263942, 1703574, 1822428, 2176789, 2527884, 3407148, 4353578, 6530367, 8707156, 13060734, 19591101, 26121468, 39182202, 78364404]

約数ペア:

[(1, 78364404), (2, 39182202), (3, 26121468), (4, 19591101), (6, 13060734), (9, 8707156), (12, 6530367), (18, 4353578), (23, 3407148), (31, 2527884), (36, 2176789), (43, 1822428), (46, 1703574), (62, 1263942), (69, 1135716), (71, 1103724), (86, 911214), (92, 851787), (93, 842628), (124, 631971), (129, 607476), (138, 567858), (142, 551862), (172, 455607), (186, 421314), (207, 378572), (213, 367908), (258, 303738), (276, 283929), (279, 280876), (284, 275931), (372, 210657), (387, 202492), (414, 189286), (426, 183954), (516, 151869), (558, 140438), (639, 122636), (713, 109908), (774, 101246), (828, 94643), (852, 91977), (989, 79236), (1116, 70219), (1278, 61318), (1333, 58788), (1426, 54954), (1548, 50623), (1633, 47988), (1978, 39618), (2139, 36636), (2201, 35604), (2556, 30659), (2666, 29394), (2852, 27477), (2967, 26412), (3053, 25668), (3266, 23994), (3956, 19809), (3999, 19596), (4278, 18318), (4402, 17802), (4899, 15996), (5332, 14697), (5934, 13206), (6106, 12834), (6417, 12212), (6532, 11997), (6603, 11868), (7998, 9798), (8556, 9159), (8804, 8901)]