881318648

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{1789}}^1$

素因数の和:2284

約数の個数: 64

約数和(自身を含む): 1993344000

約数和(自身を除く): 1112025352

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 463, 532, 926, 1064, 1789, 1852, 3241, 3578, 3704, 6482, 7156, 8797, 12523, 12964, 14312, 17594, 25046, 25928, 33991, 35188, 50092, 61579, 67982, 70376, 100184, 123158, 135964, 237937, 246316, 271928, 475874, 492632, 828307, 951748, 1656614, 1903496, 3313228, 5798149, 6626456, 11596298, 15737833, 23192596, 31475666, 46385192, 62951332, 110164831, 125902664, 220329662, 440659324, 881318648]

約数ペア:

[(1, 881318648), (2, 440659324), (4, 220329662), (7, 125902664), (8, 110164831), (14, 62951332), (19, 46385192), (28, 31475666), (38, 23192596), (56, 15737833), (76, 11596298), (133, 6626456), (152, 5798149), (266, 3313228), (463, 1903496), (532, 1656614), (926, 951748), (1064, 828307), (1789, 492632), (1852, 475874), (3241, 271928), (3578, 246316), (3704, 237937), (6482, 135964), (7156, 123158), (8797, 100184), (12523, 70376), (12964, 67982), (14312, 61579), (17594, 50092), (25046, 35188), (25928, 33991)]