2644278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 6773760

約数和(自身を除く): 4129482

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 167, 174, 182, 203, 273, 334, 377, 406, 501, 546, 609, 754, 1002, 1131, 1169, 1218, 2171, 2262, 2338, 2639, 3507, 4342, 4843, 5278, 6513, 7014, 7917, 9686, 13026, 14529, 15197, 15834, 29058, 30394, 33901, 45591, 62959, 67802, 91182, 101703, 125918, 188877, 203406, 377754, 440713, 881426, 1322139, 2644278]

約数ペア:

[(1, 2644278), (2, 1322139), (3, 881426), (6, 440713), (7, 377754), (13, 203406), (14, 188877), (21, 125918), (26, 101703), (29, 91182), (39, 67802), (42, 62959), (58, 45591), (78, 33901), (87, 30394), (91, 29058), (167, 15834), (174, 15197), (182, 14529), (203, 13026), (273, 9686), (334, 7917), (377, 7014), (406, 6513), (501, 5278), (546, 4843), (609, 4342), (754, 3507), (1002, 2639), (1131, 2338), (1169, 2262), (1218, 2171)]