647105928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{54251}}^1$

素因数の和:54338

約数の個数: 64

約数和(自身を含む): 1874949120

約数和(自身を除く): 1227843192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 142, 168, 213, 284, 426, 497, 568, 852, 994, 1491, 1704, 1988, 2982, 3976, 5964, 11928, 54251, 108502, 162753, 217004, 325506, 379757, 434008, 651012, 759514, 1139271, 1302024, 1519028, 2278542, 3038056, 3851821, 4557084, 7703642, 9114168, 11555463, 15407284, 23110926, 26962747, 30814568, 46221852, 53925494, 80888241, 92443704, 107850988, 161776482, 215701976, 323552964, 647105928]

約数ペア:

[(1, 647105928), (2, 323552964), (3, 215701976), (4, 161776482), (6, 107850988), (7, 92443704), (8, 80888241), (12, 53925494), (14, 46221852), (21, 30814568), (24, 26962747), (28, 23110926), (42, 15407284), (56, 11555463), (71, 9114168), (84, 7703642), (142, 4557084), (168, 3851821), (213, 3038056), (284, 2278542), (426, 1519028), (497, 1302024), (568, 1139271), (852, 759514), (994, 651012), (1491, 434008), (1704, 379757), (1988, 325506), (2982, 217004), (3976, 162753), (5964, 108502), (11928, 54251)]