31571148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 88058880

約数和(自身を除く): 56487732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 89, 103, 123, 164, 178, 206, 246, 267, 287, 309, 356, 412, 492, 534, 574, 618, 623, 721, 861, 1068, 1148, 1236, 1246, 1442, 1722, 1869, 2163, 2492, 2884, 3444, 3649, 3738, 4223, 4326, 7298, 7476, 8446, 8652, 9167, 10947, 12669, 14596, 16892, 18334, 21894, 25338, 25543, 27501, 29561, 36668, 43788, 50676, 51086, 55002, 59122, 64169, 76629, 88683, 102172, 110004, 118244, 128338, 153258, 177366, 192507, 256676, 306516, 354732, 375847, 385014, 751694, 770028, 1127541, 1503388, 2255082, 2630929, 4510164, 5261858, 7892787, 10523716, 15785574, 31571148]

約数ペア:

[(1, 31571148), (2, 15785574), (3, 10523716), (4, 7892787), (6, 5261858), (7, 4510164), (12, 2630929), (14, 2255082), (21, 1503388), (28, 1127541), (41, 770028), (42, 751694), (82, 385014), (84, 375847), (89, 354732), (103, 306516), (123, 256676), (164, 192507), (178, 177366), (206, 153258), (246, 128338), (267, 118244), (287, 110004), (309, 102172), (356, 88683), (412, 76629), (492, 64169), (534, 59122), (574, 55002), (618, 51086), (623, 50676), (721, 43788), (861, 36668), (1068, 29561), (1148, 27501), (1236, 25543), (1246, 25338), (1442, 21894), (1722, 18334), (1869, 16892), (2163, 14596), (2492, 12669), (2884, 10947), (3444, 9167), (3649, 8652), (3738, 8446), (4223, 7476), (4326, 7298)]