2005978504

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2161}}^1$

素因数の和:2414

約数の個数: 64

約数和(自身を含む): 4109529600

約数和(自身を除く): 2103551096

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 197, 248, 394, 589, 788, 1178, 1576, 2161, 2356, 3743, 4322, 4712, 6107, 7486, 8644, 12214, 14972, 17288, 24428, 29944, 41059, 48856, 66991, 82118, 116033, 133982, 164236, 232066, 267964, 328472, 425717, 464132, 535928, 851434, 928264, 1272829, 1702868, 2545658, 3405736, 5091316, 8088623, 10182632, 13197227, 16177246, 26394454, 32354492, 52788908, 64708984, 105577816, 250747313, 501494626, 1002989252, 2005978504]

約数ペア:

[(1, 2005978504), (2, 1002989252), (4, 501494626), (8, 250747313), (19, 105577816), (31, 64708984), (38, 52788908), (62, 32354492), (76, 26394454), (124, 16177246), (152, 13197227), (197, 10182632), (248, 8088623), (394, 5091316), (589, 3405736), (788, 2545658), (1178, 1702868), (1576, 1272829), (2161, 928264), (2356, 851434), (3743, 535928), (4322, 464132), (4712, 425717), (6107, 328472), (7486, 267964), (8644, 232066), (12214, 164236), (14972, 133982), (17288, 116033), (24428, 82118), (29944, 66991), (41059, 48856)]