31308156

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 87023664

約数和(自身を除く): 55715508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 173, 198, 346, 396, 457, 519, 692, 914, 1038, 1371, 1557, 1828, 1903, 2076, 2742, 3114, 3806, 4113, 5027, 5484, 5709, 6228, 7612, 8226, 10054, 11418, 15081, 16452, 17127, 20108, 22836, 30162, 34254, 45243, 60324, 68508, 79061, 90486, 158122, 180972, 237183, 316244, 474366, 711549, 869671, 948732, 1423098, 1739342, 2609013, 2846196, 3478684, 5218026, 7827039, 10436052, 15654078, 31308156]

約数ペア:

[(1, 31308156), (2, 15654078), (3, 10436052), (4, 7827039), (6, 5218026), (9, 3478684), (11, 2846196), (12, 2609013), (18, 1739342), (22, 1423098), (33, 948732), (36, 869671), (44, 711549), (66, 474366), (99, 316244), (132, 237183), (173, 180972), (198, 158122), (346, 90486), (396, 79061), (457, 68508), (519, 60324), (692, 45243), (914, 34254), (1038, 30162), (1371, 22836), (1557, 20108), (1828, 17127), (1903, 16452), (2076, 15081), (2742, 11418), (3114, 10054), (3806, 8226), (4113, 7612), (5027, 6228), (5484, 5709)]