28925890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4643}}^1$

素因数の和:4746

約数の個数: 32

約数和(自身を含む): 60186240

約数和(自身を除く): 31260350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 4643, 6230, 9286, 23215, 32501, 46430, 65002, 162505, 325010, 413227, 826454, 2066135, 2892589, 4132270, 5785178, 14462945, 28925890]

約数ペア:

[(1, 28925890), (2, 14462945), (5, 5785178), (7, 4132270), (10, 2892589), (14, 2066135), (35, 826454), (70, 413227), (89, 325010), (178, 162505), (445, 65002), (623, 46430), (890, 32501), (1246, 23215), (3115, 9286), (4643, 6230)]