31438836

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 96864768

約数和(自身を除く): 65425932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 31, 33, 36, 39, 44, 52, 62, 66, 78, 93, 99, 117, 124, 132, 143, 156, 186, 197, 198, 234, 279, 286, 341, 372, 394, 396, 403, 429, 468, 558, 572, 591, 682, 788, 806, 858, 1023, 1116, 1182, 1209, 1287, 1364, 1612, 1716, 1773, 2046, 2167, 2364, 2418, 2561, 2574, 3069, 3546, 3627, 4092, 4334, 4433, 4836, 5122, 5148, 6107, 6138, 6501, 7092, 7254, 7683, 8668, 8866, 10244, 12214, 12276, 13002, 13299, 14508, 15366, 17732, 18321, 19503, 23049, 24428, 26004, 26598, 28171, 30732, 36642, 39006, 39897, 46098, 53196, 54963, 56342, 67177, 73284, 78012, 79391, 79794, 84513, 92196, 109926, 112684, 134354, 158782, 159588, 169026, 201531, 219852, 238173, 253539, 268708, 317564, 338052, 403062, 476346, 507078, 604593, 714519, 806124, 873301, 952692, 1014156, 1209186, 1429038, 1746602, 2418372, 2619903, 2858076, 3493204, 5239806, 7859709, 10479612, 15719418, 31438836]

約数ペア:

[(1, 31438836), (2, 15719418), (3, 10479612), (4, 7859709), (6, 5239806), (9, 3493204), (11, 2858076), (12, 2619903), (13, 2418372), (18, 1746602), (22, 1429038), (26, 1209186), (31, 1014156), (33, 952692), (36, 873301), (39, 806124), (44, 714519), (52, 604593), (62, 507078), (66, 476346), (78, 403062), (93, 338052), (99, 317564), (117, 268708), (124, 253539), (132, 238173), (143, 219852), (156, 201531), (186, 169026), (197, 159588), (198, 158782), (234, 134354), (279, 112684), (286, 109926), (341, 92196), (372, 84513), (394, 79794), (396, 79391), (403, 78012), (429, 73284), (468, 67177), (558, 56342), (572, 54963), (591, 53196), (682, 46098), (788, 39897), (806, 39006), (858, 36642), (1023, 30732), (1116, 28171), (1182, 26598), (1209, 26004), (1287, 24428), (1364, 23049), (1612, 19503), (1716, 18321), (1773, 17732), (2046, 15366), (2167, 14508), (2364, 13299), (2418, 13002), (2561, 12276), (2574, 12214), (3069, 10244), (3546, 8866), (3627, 8668), (4092, 7683), (4334, 7254), (4433, 7092), (4836, 6501), (5122, 6138), (5148, 6107)]