78356684

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 171506160

約数和(自身を除く): 93149476

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 53, 76, 98, 106, 133, 196, 212, 266, 371, 397, 532, 742, 794, 931, 1007, 1484, 1588, 1862, 2014, 2597, 2779, 3724, 4028, 5194, 5558, 7049, 7543, 10388, 11116, 14098, 15086, 19453, 21041, 28196, 30172, 38906, 42082, 49343, 52801, 77812, 84164, 98686, 105602, 147287, 197372, 211204, 294574, 369607, 399779, 589148, 739214, 799558, 1031009, 1478428, 1599116, 2062018, 2798453, 4124036, 5596906, 11193812, 19589171, 39178342, 78356684]

約数ペア:

[(1, 78356684), (2, 39178342), (4, 19589171), (7, 11193812), (14, 5596906), (19, 4124036), (28, 2798453), (38, 2062018), (49, 1599116), (53, 1478428), (76, 1031009), (98, 799558), (106, 739214), (133, 589148), (196, 399779), (212, 369607), (266, 294574), (371, 211204), (397, 197372), (532, 147287), (742, 105602), (794, 98686), (931, 84164), (1007, 77812), (1484, 52801), (1588, 49343), (1862, 42082), (2014, 38906), (2597, 30172), (2779, 28196), (3724, 21041), (4028, 19453), (5194, 15086), (5558, 14098), (7049, 11116), (7543, 10388)]