123839968

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1913}}^1$

素因数の和:1964

約数の個数: 72

約数和(自身を含む): 296149392

約数和(自身を除く): 172309424

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 476, 544, 578, 952, 1156, 1904, 1913, 2023, 2312, 3808, 3826, 4046, 4624, 7652, 8092, 9248, 13391, 15304, 16184, 26782, 30608, 32368, 32521, 53564, 61216, 64736, 65042, 107128, 130084, 214256, 227647, 260168, 428512, 455294, 520336, 552857, 910588, 1040672, 1105714, 1821176, 2211428, 3642352, 3869999, 4422856, 7284704, 7739998, 8845712, 15479996, 17691424, 30959992, 61919984, 123839968]

約数ペア:

[(1, 123839968), (2, 61919984), (4, 30959992), (7, 17691424), (8, 15479996), (14, 8845712), (16, 7739998), (17, 7284704), (28, 4422856), (32, 3869999), (34, 3642352), (56, 2211428), (68, 1821176), (112, 1105714), (119, 1040672), (136, 910588), (224, 552857), (238, 520336), (272, 455294), (289, 428512), (476, 260168), (544, 227647), (578, 214256), (952, 130084), (1156, 107128), (1904, 65042), (1913, 64736), (2023, 61216), (2312, 53564), (3808, 32521), (3826, 32368), (4046, 30608), (4624, 26782), (7652, 16184), (8092, 15304), (9248, 13391)]