161876916

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2101

約数の個数: 72

約数和(自身を含む): 428390144

約数和(自身を除く): 266513228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 73, 93, 124, 146, 186, 219, 279, 292, 372, 438, 558, 657, 876, 1116, 1314, 1987, 2263, 2628, 3974, 4526, 5961, 6789, 7948, 9052, 11922, 13578, 17883, 20367, 23844, 27156, 35766, 40734, 61597, 71532, 81468, 123194, 145051, 184791, 246388, 290102, 369582, 435153, 554373, 580204, 739164, 870306, 1108746, 1305459, 1740612, 2217492, 2610918, 4496581, 5221836, 8993162, 13489743, 17986324, 26979486, 40469229, 53958972, 80938458, 161876916]

約数ペア:

[(1, 161876916), (2, 80938458), (3, 53958972), (4, 40469229), (6, 26979486), (9, 17986324), (12, 13489743), (18, 8993162), (31, 5221836), (36, 4496581), (62, 2610918), (73, 2217492), (93, 1740612), (124, 1305459), (146, 1108746), (186, 870306), (219, 739164), (279, 580204), (292, 554373), (372, 435153), (438, 369582), (558, 290102), (657, 246388), (876, 184791), (1116, 145051), (1314, 123194), (1987, 81468), (2263, 71532), (2628, 61597), (3974, 40734), (4526, 35766), (5961, 27156), (6789, 23844), (7948, 20367), (9052, 17883), (11922, 13578)]