72470552

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1752

約数の個数: 64

約数和(自身を含む): 171901440

約数和(自身を除く): 99430888

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1657, 1988, 3124, 3314, 3976, 5467, 6248, 6628, 10934, 11599, 13256, 18227, 21868, 23198, 36454, 43736, 46396, 72908, 92792, 117647, 127589, 145816, 235294, 255178, 470588, 510356, 823529, 941176, 1020712, 1294117, 1647058, 2588234, 3294116, 5176468, 6588232, 9058819, 10352936, 18117638, 36235276, 72470552]

約数ペア:

[(1, 72470552), (2, 36235276), (4, 18117638), (7, 10352936), (8, 9058819), (11, 6588232), (14, 5176468), (22, 3294116), (28, 2588234), (44, 1647058), (56, 1294117), (71, 1020712), (77, 941176), (88, 823529), (142, 510356), (154, 470588), (284, 255178), (308, 235294), (497, 145816), (568, 127589), (616, 117647), (781, 92792), (994, 72908), (1562, 46396), (1657, 43736), (1988, 36454), (3124, 23198), (3314, 21868), (3976, 18227), (5467, 13256), (6248, 11599), (6628, 10934)]