1215275390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{21407}}^1$

素因数の和:22232

約数の個数: 32

約数和(自身を含む): 2503194624

約数和(自身を除く): 1287919234

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 811, 1622, 4055, 5677, 8110, 11354, 21407, 28385, 42814, 56770, 107035, 149849, 214070, 299698, 749245, 1498490, 17361077, 34722154, 86805385, 121527539, 173610770, 243055078, 607637695, 1215275390]

約数ペア:

[(1, 1215275390), (2, 607637695), (5, 243055078), (7, 173610770), (10, 121527539), (14, 86805385), (35, 34722154), (70, 17361077), (811, 1498490), (1622, 749245), (4055, 299698), (5677, 214070), (8110, 149849), (11354, 107035), (21407, 56770), (28385, 42814)]