1640691368

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1\times {\mathrm{283}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 3232965120

約数和(自身を除く): 1592273752

約数列:

[1, 2, 4, 8, 31, 62, 97, 124, 194, 241, 248, 283, 388, 482, 566, 776, 964, 1132, 1928, 2264, 3007, 6014, 7471, 8773, 12028, 14942, 17546, 23377, 24056, 27451, 29884, 35092, 46754, 54902, 59768, 68203, 70184, 93508, 109804, 136406, 187016, 219608, 272812, 545624, 724687, 850981, 1449374, 1701962, 2114293, 2898748, 3403924, 4228586, 5797496, 6615691, 6807848, 8457172, 13231382, 16914344, 26462764, 52925528, 205086421, 410172842, 820345684, 1640691368]

約数ペア:

[(1, 1640691368), (2, 820345684), (4, 410172842), (8, 205086421), (31, 52925528), (62, 26462764), (97, 16914344), (124, 13231382), (194, 8457172), (241, 6807848), (248, 6615691), (283, 5797496), (388, 4228586), (482, 3403924), (566, 2898748), (776, 2114293), (964, 1701962), (1132, 1449374), (1928, 850981), (2264, 724687), (3007, 545624), (6014, 272812), (7471, 219608), (8773, 187016), (12028, 136406), (14942, 109804), (17546, 93508), (23377, 70184), (24056, 68203), (27451, 59768), (29884, 54902), (35092, 46754)]