20151131518

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{557}}^1\times {\mathrm{6257}}^1$

素因数の和:6889

約数の個数: 48

約数和(自身を含む): 35827550640

約数和(自身を除く): 15676419122

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 413, 557, 826, 1114, 2891, 3899, 5782, 6257, 7798, 12514, 27293, 32863, 43799, 54586, 65726, 87598, 230041, 306593, 369163, 460082, 613186, 738326, 1610287, 2584141, 3220574, 3485149, 5168282, 6970298, 18088987, 24396043, 36177974, 48792086, 170772301, 205623791, 341544602, 411247582, 1439366537, 2878733074, 10075565759, 20151131518]

約数ペア:

[(1, 20151131518), (2, 10075565759), (7, 2878733074), (14, 1439366537), (49, 411247582), (59, 341544602), (98, 205623791), (118, 170772301), (413, 48792086), (557, 36177974), (826, 24396043), (1114, 18088987), (2891, 6970298), (3899, 5168282), (5782, 3485149), (6257, 3220574), (7798, 2584141), (12514, 1610287), (27293, 738326), (32863, 613186), (43799, 460082), (54586, 369163), (65726, 306593), (87598, 230041)]