28756910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31601}}^1$

素因数の和:31628

約数の個数: 32

約数和(自身を含む): 63709632

約数和(自身を除く): 34952722

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31601, 63202, 158005, 221207, 316010, 410813, 442414, 821626, 1106035, 2054065, 2212070, 2875691, 4108130, 5751382, 14378455, 28756910]

約数ペア:

[(1, 28756910), (2, 14378455), (5, 5751382), (7, 4108130), (10, 2875691), (13, 2212070), (14, 2054065), (26, 1106035), (35, 821626), (65, 442414), (70, 410813), (91, 316010), (130, 221207), (182, 158005), (455, 63202), (910, 31601)]