205086438

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 465696000

約数和(自身を除く): 260609562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 139, 178, 267, 278, 307, 417, 534, 614, 801, 834, 921, 1251, 1602, 1842, 2403, 2502, 2763, 3753, 4806, 5526, 7506, 8289, 12371, 16578, 24742, 27323, 37113, 42673, 54646, 74226, 81969, 85346, 111339, 128019, 163938, 222678, 245907, 256038, 334017, 384057, 491814, 668034, 737721, 768114, 1152171, 1475442, 2304342, 3797897, 7595794, 11393691, 22787382, 34181073, 68362146, 102543219, 205086438]

約数ペア:

[(1, 205086438), (2, 102543219), (3, 68362146), (6, 34181073), (9, 22787382), (18, 11393691), (27, 7595794), (54, 3797897), (89, 2304342), (139, 1475442), (178, 1152171), (267, 768114), (278, 737721), (307, 668034), (417, 491814), (534, 384057), (614, 334017), (801, 256038), (834, 245907), (921, 222678), (1251, 163938), (1602, 128019), (1842, 111339), (2403, 85346), (2502, 81969), (2763, 74226), (3753, 54646), (4806, 42673), (5526, 37113), (7506, 27323), (8289, 24742), (12371, 16578)]