12991264

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 32006016

約数和(自身を除く): 19014752

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 68, 88, 104, 136, 143, 167, 176, 187, 208, 221, 272, 286, 334, 352, 374, 416, 442, 544, 572, 668, 748, 884, 1144, 1336, 1496, 1768, 1837, 2171, 2288, 2431, 2672, 2839, 2992, 3536, 3674, 4342, 4576, 4862, 5344, 5678, 5984, 7072, 7348, 8684, 9724, 11356, 14696, 17368, 19448, 22712, 23881, 29392, 31229, 34736, 36907, 38896, 45424, 47762, 58784, 62458, 69472, 73814, 77792, 90848, 95524, 124916, 147628, 191048, 249832, 295256, 382096, 405977, 499664, 590512, 764192, 811954, 999328, 1181024, 1623908, 3247816, 6495632, 12991264]

約数ペア:

[(1, 12991264), (2, 6495632), (4, 3247816), (8, 1623908), (11, 1181024), (13, 999328), (16, 811954), (17, 764192), (22, 590512), (26, 499664), (32, 405977), (34, 382096), (44, 295256), (52, 249832), (68, 191048), (88, 147628), (104, 124916), (136, 95524), (143, 90848), (167, 77792), (176, 73814), (187, 69472), (208, 62458), (221, 58784), (272, 47762), (286, 45424), (334, 38896), (352, 36907), (374, 34736), (416, 31229), (442, 29392), (544, 23881), (572, 22712), (668, 19448), (748, 17368), (884, 14696), (1144, 11356), (1336, 9724), (1496, 8684), (1768, 7348), (1837, 7072), (2171, 5984), (2288, 5678), (2431, 5344), (2672, 4862), (2839, 4576), (2992, 4342), (3536, 3674)]