1639551438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{53993}}^1$

素因数の和:54249

約数の個数: 48

約数和(自身を含む): 4076762976

約数和(自身を除く): 2437211538

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 241, 482, 723, 1446, 1687, 2169, 3374, 4338, 5061, 10122, 15183, 30366, 53993, 107986, 161979, 323958, 377951, 485937, 755902, 971874, 1133853, 2267706, 3401559, 6803118, 13012313, 26024626, 39036939, 78073878, 91086191, 117110817, 182172382, 234221634, 273258573, 546517146, 819775719, 1639551438]

約数ペア:

[(1, 1639551438), (2, 819775719), (3, 546517146), (6, 273258573), (7, 234221634), (9, 182172382), (14, 117110817), (18, 91086191), (21, 78073878), (42, 39036939), (63, 26024626), (126, 13012313), (241, 6803118), (482, 3401559), (723, 2267706), (1446, 1133853), (1687, 971874), (2169, 755902), (3374, 485937), (4338, 377951), (5061, 323958), (10122, 161979), (15183, 107986), (30366, 53993)]