189995776

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 397353600

約数和(自身を除く): 207357824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 248, 256, 269, 356, 496, 538, 712, 992, 1076, 1424, 1984, 2152, 2759, 2848, 3968, 4304, 5518, 5696, 7936, 8339, 8608, 11036, 11392, 16678, 17216, 22072, 22784, 23941, 33356, 34432, 44144, 47882, 66712, 68864, 88288, 95764, 133424, 176576, 191528, 266848, 353152, 383056, 533696, 706304, 742171, 766112, 1067392, 1484342, 1532224, 2134784, 2968684, 3064448, 5937368, 6128896, 11874736, 23749472, 47498944, 94997888, 189995776]

約数ペア:

[(1, 189995776), (2, 94997888), (4, 47498944), (8, 23749472), (16, 11874736), (31, 6128896), (32, 5937368), (62, 3064448), (64, 2968684), (89, 2134784), (124, 1532224), (128, 1484342), (178, 1067392), (248, 766112), (256, 742171), (269, 706304), (356, 533696), (496, 383056), (538, 353152), (712, 266848), (992, 191528), (1076, 176576), (1424, 133424), (1984, 95764), (2152, 88288), (2759, 68864), (2848, 66712), (3968, 47882), (4304, 44144), (5518, 34432), (5696, 33356), (7936, 23941), (8339, 22784), (8608, 22072), (11036, 17216), (11392, 16678)]