399381372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 1131067392

約数和(自身を除く): 731686020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 67, 78, 94, 117, 134, 141, 156, 188, 201, 234, 268, 271, 282, 402, 423, 468, 542, 564, 603, 611, 804, 813, 846, 871, 1084, 1206, 1222, 1626, 1692, 1742, 1833, 2412, 2439, 2444, 2613, 3149, 3252, 3484, 3523, 3666, 4878, 5226, 5499, 6298, 7046, 7332, 7839, 9447, 9756, 10452, 10569, 10998, 12596, 12737, 14092, 15678, 18157, 18894, 21138, 21996, 25474, 28341, 31356, 31707, 36314, 37788, 38211, 40937, 42276, 50948, 54471, 56682, 63414, 72628, 76422, 81874, 108942, 113364, 114633, 122811, 126828, 152844, 163413, 163748, 165581, 217884, 229266, 236041, 245622, 326826, 331162, 368433, 458532, 472082, 491244, 496743, 653652, 662324, 708123, 736866, 853379, 944164, 993486, 1416246, 1473732, 1490229, 1706758, 1986972, 2124369, 2560137, 2832492, 2980458, 3413516, 4248738, 5120274, 5960916, 7680411, 8497476, 10240548, 11093927, 15360822, 22187854, 30721644, 33281781, 44375708, 66563562, 99845343, 133127124, 199690686, 399381372]

約数ペア:

[(1, 399381372), (2, 199690686), (3, 133127124), (4, 99845343), (6, 66563562), (9, 44375708), (12, 33281781), (13, 30721644), (18, 22187854), (26, 15360822), (36, 11093927), (39, 10240548), (47, 8497476), (52, 7680411), (67, 5960916), (78, 5120274), (94, 4248738), (117, 3413516), (134, 2980458), (141, 2832492), (156, 2560137), (188, 2124369), (201, 1986972), (234, 1706758), (268, 1490229), (271, 1473732), (282, 1416246), (402, 993486), (423, 944164), (468, 853379), (542, 736866), (564, 708123), (603, 662324), (611, 653652), (804, 496743), (813, 491244), (846, 472082), (871, 458532), (1084, 368433), (1206, 331162), (1222, 326826), (1626, 245622), (1692, 236041), (1742, 229266), (1833, 217884), (2412, 165581), (2439, 163748), (2444, 163413), (2613, 152844), (3149, 126828), (3252, 122811), (3484, 114633), (3523, 113364), (3666, 108942), (4878, 81874), (5226, 76422), (5499, 72628), (6298, 63414), (7046, 56682), (7332, 54471), (7839, 50948), (9447, 42276), (9756, 40937), (10452, 38211), (10569, 37788), (10998, 36314), (12596, 31707), (12737, 31356), (14092, 28341), (15678, 25474), (18157, 21996), (18894, 21138)]