30681196

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2774

約数の個数: 48

約数和(自身を含む): 68239360

約数和(自身を除く): 37558164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2719, 2821, 5438, 5642, 10876, 11284, 19033, 35347, 38066, 70694, 76132, 84289, 141388, 168578, 247429, 337156, 494858, 590023, 989716, 1095757, 1180046, 2191514, 2360092, 4383028, 7670299, 15340598, 30681196]

約数ペア:

[(1, 30681196), (2, 15340598), (4, 7670299), (7, 4383028), (13, 2360092), (14, 2191514), (26, 1180046), (28, 1095757), (31, 989716), (52, 590023), (62, 494858), (91, 337156), (124, 247429), (182, 168578), (217, 141388), (364, 84289), (403, 76132), (434, 70694), (806, 38066), (868, 35347), (1612, 19033), (2719, 11284), (2821, 10876), (5438, 5642)]