71985438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1637}}^1$

素因数の和:2001

約数の個数: 48

約数和(自身を含む): 178869600

約数和(自身を除く): 106884162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 349, 698, 1047, 1637, 2094, 2443, 3141, 3274, 4886, 4911, 6282, 7329, 9822, 11459, 14658, 14733, 21987, 22918, 29466, 34377, 43974, 68754, 103131, 206262, 571313, 1142626, 1713939, 3427878, 3999191, 5141817, 7998382, 10283634, 11997573, 23995146, 35992719, 71985438]

約数ペア:

[(1, 71985438), (2, 35992719), (3, 23995146), (6, 11997573), (7, 10283634), (9, 7998382), (14, 5141817), (18, 3999191), (21, 3427878), (42, 1713939), (63, 1142626), (126, 571313), (349, 206262), (698, 103131), (1047, 68754), (1637, 43974), (2094, 34377), (2443, 29466), (3141, 22918), (3274, 21987), (4886, 14733), (4911, 14658), (6282, 11459), (7329, 9822)]