638785008

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47699}}^1$

素因数の和:47747

約数の個数: 80

約数和(自身を含む): 1892736000

約数和(自身を除く): 1253950992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1674, 2232, 3348, 4464, 6696, 13392, 47699, 95398, 143097, 190796, 286194, 381592, 429291, 572388, 763184, 858582, 1144776, 1287873, 1478669, 1717164, 2289552, 2575746, 2957338, 3434328, 4436007, 5151492, 5914676, 6868656, 8872014, 10302984, 11829352, 13308021, 17744028, 20605968, 23658704, 26616042, 35488056, 39924063, 53232084, 70976112, 79848126, 106464168, 159696252, 212928336, 319392504, 638785008]

約数ペア:

[(1, 638785008), (2, 319392504), (3, 212928336), (4, 159696252), (6, 106464168), (8, 79848126), (9, 70976112), (12, 53232084), (16, 39924063), (18, 35488056), (24, 26616042), (27, 23658704), (31, 20605968), (36, 17744028), (48, 13308021), (54, 11829352), (62, 10302984), (72, 8872014), (93, 6868656), (108, 5914676), (124, 5151492), (144, 4436007), (186, 3434328), (216, 2957338), (248, 2575746), (279, 2289552), (372, 1717164), (432, 1478669), (496, 1287873), (558, 1144776), (744, 858582), (837, 763184), (1116, 572388), (1488, 429291), (1674, 381592), (2232, 286194), (3348, 190796), (4464, 143097), (6696, 95398), (13392, 47699)]