81382668

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 193546080

約数和(自身を除く): 112163412

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 181, 267, 356, 362, 421, 534, 543, 724, 842, 1068, 1086, 1263, 1684, 2172, 2526, 5052, 16109, 32218, 37469, 48327, 64436, 74938, 76201, 96654, 112407, 149876, 152402, 193308, 224814, 228603, 304804, 449628, 457206, 914412, 6781889, 13563778, 20345667, 27127556, 40691334, 81382668]

約数ペア:

[(1, 81382668), (2, 40691334), (3, 27127556), (4, 20345667), (6, 13563778), (12, 6781889), (89, 914412), (178, 457206), (181, 449628), (267, 304804), (356, 228603), (362, 224814), (421, 193308), (534, 152402), (543, 149876), (724, 112407), (842, 96654), (1068, 76201), (1086, 74938), (1263, 64436), (1684, 48327), (2172, 37469), (2526, 32218), (5052, 16109)]