128529156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{907}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 350698656

約数和(自身を除く): 222169500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 241, 294, 482, 588, 723, 907, 964, 1446, 1687, 1814, 2721, 2892, 3374, 3628, 5061, 5442, 6349, 6748, 10122, 10884, 11809, 12698, 19047, 20244, 23618, 25396, 35427, 38094, 44443, 47236, 70854, 76188, 88886, 133329, 141708, 177772, 218587, 266658, 437174, 533316, 655761, 874348, 1311522, 1530109, 2623044, 3060218, 4590327, 6120436, 9180654, 10710763, 18361308, 21421526, 32132289, 42843052, 64264578, 128529156]

約数ペア:

[(1, 128529156), (2, 64264578), (3, 42843052), (4, 32132289), (6, 21421526), (7, 18361308), (12, 10710763), (14, 9180654), (21, 6120436), (28, 4590327), (42, 3060218), (49, 2623044), (84, 1530109), (98, 1311522), (147, 874348), (196, 655761), (241, 533316), (294, 437174), (482, 266658), (588, 218587), (723, 177772), (907, 141708), (964, 133329), (1446, 88886), (1687, 76188), (1814, 70854), (2721, 47236), (2892, 44443), (3374, 38094), (3628, 35427), (5061, 25396), (5442, 23618), (6349, 20244), (6748, 19047), (10122, 12698), (10884, 11809)]