28317210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 70785792

約数和(自身を除く): 42468582

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 97, 111, 185, 194, 222, 263, 291, 370, 485, 526, 555, 582, 789, 970, 1110, 1315, 1455, 1578, 2630, 2910, 3589, 3945, 7178, 7890, 9731, 10767, 17945, 19462, 21534, 25511, 29193, 35890, 48655, 51022, 53835, 58386, 76533, 97310, 107670, 127555, 145965, 153066, 255110, 291930, 382665, 765330, 943907, 1887814, 2831721, 4719535, 5663442, 9439070, 14158605, 28317210]

約数ペア:

[(1, 28317210), (2, 14158605), (3, 9439070), (5, 5663442), (6, 4719535), (10, 2831721), (15, 1887814), (30, 943907), (37, 765330), (74, 382665), (97, 291930), (111, 255110), (185, 153066), (194, 145965), (222, 127555), (263, 107670), (291, 97310), (370, 76533), (485, 58386), (526, 53835), (555, 51022), (582, 48655), (789, 35890), (970, 29193), (1110, 25511), (1315, 21534), (1455, 19462), (1578, 17945), (2630, 10767), (2910, 9731), (3589, 7890), (3945, 7178)]