1640572008

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{26021}}^1$

素因数の和:26138

約数の個数: 64

約数和(自身を含む): 4271771520

約数和(自身を除く): 2631199512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 71, 74, 111, 142, 148, 213, 222, 284, 296, 426, 444, 568, 852, 888, 1704, 2627, 5254, 7881, 10508, 15762, 21016, 26021, 31524, 52042, 63048, 78063, 104084, 156126, 208168, 312252, 624504, 962777, 1847491, 1925554, 2888331, 3694982, 3851108, 5542473, 5776662, 7389964, 7702216, 11084946, 11553324, 14779928, 22169892, 23106648, 44339784, 68357167, 136714334, 205071501, 273428668, 410143002, 546857336, 820286004, 1640572008]

約数ペア:

[(1, 1640572008), (2, 820286004), (3, 546857336), (4, 410143002), (6, 273428668), (8, 205071501), (12, 136714334), (24, 68357167), (37, 44339784), (71, 23106648), (74, 22169892), (111, 14779928), (142, 11553324), (148, 11084946), (213, 7702216), (222, 7389964), (284, 5776662), (296, 5542473), (426, 3851108), (444, 3694982), (568, 2888331), (852, 1925554), (888, 1847491), (1704, 962777), (2627, 624504), (5254, 312252), (7881, 208168), (10508, 156126), (15762, 104084), (21016, 78063), (26021, 63048), (31524, 52042)]