73686788

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 161642880

約数和(自身を除く): 87956092

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 133, 188, 196, 266, 329, 421, 532, 658, 842, 893, 931, 1316, 1684, 1786, 1862, 2303, 2947, 3572, 3724, 4606, 5894, 6251, 7999, 9212, 11788, 12502, 15998, 19787, 20629, 25004, 31996, 39574, 41258, 43757, 55993, 79148, 82516, 87514, 111986, 138509, 175028, 223972, 277018, 375953, 391951, 554036, 751906, 783902, 969563, 1503812, 1567804, 1939126, 2631671, 3878252, 5263342, 10526684, 18421697, 36843394, 73686788]

約数ペア:

[(1, 73686788), (2, 36843394), (4, 18421697), (7, 10526684), (14, 5263342), (19, 3878252), (28, 2631671), (38, 1939126), (47, 1567804), (49, 1503812), (76, 969563), (94, 783902), (98, 751906), (133, 554036), (188, 391951), (196, 375953), (266, 277018), (329, 223972), (421, 175028), (532, 138509), (658, 111986), (842, 87514), (893, 82516), (931, 79148), (1316, 55993), (1684, 43757), (1786, 41258), (1862, 39574), (2303, 31996), (2947, 25004), (3572, 20629), (3724, 19787), (4606, 15998), (5894, 12502), (6251, 11788), (7999, 9212)]