78447248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 177738624

約数和(自身を除く): 99291376

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 157, 167, 176, 187, 272, 314, 334, 374, 628, 668, 748, 1256, 1336, 1496, 1727, 1837, 2512, 2669, 2672, 2839, 2992, 3454, 3674, 5338, 5678, 6908, 7348, 10676, 11356, 13816, 14696, 21352, 22712, 26219, 27632, 29359, 29392, 31229, 42704, 45424, 52438, 58718, 62458, 104876, 117436, 124916, 209752, 234872, 249832, 288409, 419504, 445723, 469744, 499664, 576818, 891446, 1153636, 1782892, 2307272, 3565784, 4614544, 4902953, 7131568, 9805906, 19611812, 39223624, 78447248]

約数ペア:

[(1, 78447248), (2, 39223624), (4, 19611812), (8, 9805906), (11, 7131568), (16, 4902953), (17, 4614544), (22, 3565784), (34, 2307272), (44, 1782892), (68, 1153636), (88, 891446), (136, 576818), (157, 499664), (167, 469744), (176, 445723), (187, 419504), (272, 288409), (314, 249832), (334, 234872), (374, 209752), (628, 124916), (668, 117436), (748, 104876), (1256, 62458), (1336, 58718), (1496, 52438), (1727, 45424), (1837, 42704), (2512, 31229), (2669, 29392), (2672, 29359), (2839, 27632), (2992, 26219), (3454, 22712), (3674, 21352), (5338, 14696), (5678, 13816), (6908, 11356), (7348, 10676)]