252186090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{646631}}^1$

素因数の和:646654

約数の個数: 32

約数和(自身を含む): 651805056

約数和(自身を除く): 399618966

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 646631, 1293262, 1939893, 3233155, 3879786, 6466310, 8406203, 9699465, 16812406, 19398930, 25218609, 42031015, 50437218, 84062030, 126093045, 252186090]

約数ペア:

[(1, 252186090), (2, 126093045), (3, 84062030), (5, 50437218), (6, 42031015), (10, 25218609), (13, 19398930), (15, 16812406), (26, 9699465), (30, 8406203), (39, 6466310), (65, 3879786), (78, 3233155), (130, 1939893), (195, 1293262), (390, 646631)]