81420888

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1013}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 216833760

約数和(自身を除く): 135412872

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 197, 204, 394, 408, 591, 788, 1013, 1182, 1576, 2026, 2364, 3039, 3349, 4052, 4728, 6078, 6698, 8104, 10047, 12156, 13396, 17221, 20094, 24312, 26792, 34442, 40188, 51663, 68884, 80376, 103326, 137768, 199561, 206652, 399122, 413304, 598683, 798244, 1197366, 1596488, 2394732, 3392537, 4789464, 6785074, 10177611, 13570148, 20355222, 27140296, 40710444, 81420888]

約数ペア:

[(1, 81420888), (2, 40710444), (3, 27140296), (4, 20355222), (6, 13570148), (8, 10177611), (12, 6785074), (17, 4789464), (24, 3392537), (34, 2394732), (51, 1596488), (68, 1197366), (102, 798244), (136, 598683), (197, 413304), (204, 399122), (394, 206652), (408, 199561), (591, 137768), (788, 103326), (1013, 80376), (1182, 68884), (1576, 51663), (2026, 40188), (2364, 34442), (3039, 26792), (3349, 24312), (4052, 20094), (4728, 17221), (6078, 13396), (6698, 12156), (8104, 10047)]