247691736

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:638

約数の個数: 128

約数和(自身を含む): 721612800

約数和(自身を除く): 473921064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 71, 72, 93, 108, 124, 142, 186, 213, 216, 248, 279, 284, 372, 426, 521, 558, 568, 639, 744, 837, 852, 1042, 1116, 1278, 1563, 1674, 1704, 1917, 2084, 2201, 2232, 2556, 3126, 3348, 3834, 4168, 4402, 4689, 5112, 6252, 6603, 6696, 7668, 8804, 9378, 12504, 13206, 14067, 15336, 16151, 17608, 18756, 19809, 26412, 28134, 32302, 36991, 37512, 39618, 48453, 52824, 56268, 59427, 64604, 73982, 79236, 96906, 110973, 112536, 118854, 129208, 145359, 147964, 158472, 193812, 221946, 237708, 290718, 295928, 332919, 387624, 436077, 443892, 475416, 581436, 665838, 872154, 887784, 998757, 1146721, 1162872, 1331676, 1744308, 1997514, 2293442, 2663352, 3440163, 3488616, 3995028, 4586884, 6880326, 7990056, 9173768, 10320489, 13760652, 20640978, 27521304, 30961467, 41281956, 61922934, 82563912, 123845868, 247691736]

約数ペア:

[(1, 247691736), (2, 123845868), (3, 82563912), (4, 61922934), (6, 41281956), (8, 30961467), (9, 27521304), (12, 20640978), (18, 13760652), (24, 10320489), (27, 9173768), (31, 7990056), (36, 6880326), (54, 4586884), (62, 3995028), (71, 3488616), (72, 3440163), (93, 2663352), (108, 2293442), (124, 1997514), (142, 1744308), (186, 1331676), (213, 1162872), (216, 1146721), (248, 998757), (279, 887784), (284, 872154), (372, 665838), (426, 581436), (521, 475416), (558, 443892), (568, 436077), (639, 387624), (744, 332919), (837, 295928), (852, 290718), (1042, 237708), (1116, 221946), (1278, 193812), (1563, 158472), (1674, 147964), (1704, 145359), (1917, 129208), (2084, 118854), (2201, 112536), (2232, 110973), (2556, 96906), (3126, 79236), (3348, 73982), (3834, 64604), (4168, 59427), (4402, 56268), (4689, 52824), (5112, 48453), (6252, 39618), (6603, 37512), (6696, 36991), (7668, 32302), (8804, 28134), (9378, 26412), (12504, 19809), (13206, 18756), (14067, 17608), (15336, 16151)]