815759172

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{2381}}^1$

素因数の和:2729

約数の個数: 72

約数和(自身を含む): 2136406272

約数和(自身を除く): 1320647100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 307, 372, 558, 614, 921, 1116, 1228, 1842, 2381, 2763, 3684, 4762, 5526, 7143, 9517, 9524, 11052, 14286, 19034, 21429, 28551, 28572, 38068, 42858, 57102, 73811, 85653, 85716, 114204, 147622, 171306, 221433, 295244, 342612, 442866, 664299, 730967, 885732, 1328598, 1461934, 2192901, 2657196, 2923868, 4385802, 6578703, 8771604, 13157406, 22659977, 26314812, 45319954, 67979931, 90639908, 135959862, 203939793, 271919724, 407879586, 815759172]

約数ペア:

[(1, 815759172), (2, 407879586), (3, 271919724), (4, 203939793), (6, 135959862), (9, 90639908), (12, 67979931), (18, 45319954), (31, 26314812), (36, 22659977), (62, 13157406), (93, 8771604), (124, 6578703), (186, 4385802), (279, 2923868), (307, 2657196), (372, 2192901), (558, 1461934), (614, 1328598), (921, 885732), (1116, 730967), (1228, 664299), (1842, 442866), (2381, 342612), (2763, 295244), (3684, 221433), (4762, 171306), (5526, 147622), (7143, 114204), (9517, 85716), (9524, 85653), (11052, 73811), (14286, 57102), (19034, 42858), (21429, 38068), (28551, 28572)]