664641964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{7481}}^1$

素因数の和:7678

約数の個数: 48

約数和(自身を含む): 1407813120

約数和(自身を除く): 743171156

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 167, 266, 334, 532, 668, 1169, 2338, 3173, 4676, 6346, 7481, 12692, 14962, 22211, 29924, 44422, 52367, 88844, 104734, 142139, 209468, 284278, 568556, 994973, 1249327, 1989946, 2498654, 3979892, 4997308, 8745289, 17490578, 23737213, 34981156, 47474426, 94948852, 166160491, 332320982, 664641964]

約数ペア:

[(1, 664641964), (2, 332320982), (4, 166160491), (7, 94948852), (14, 47474426), (19, 34981156), (28, 23737213), (38, 17490578), (76, 8745289), (133, 4997308), (167, 3979892), (266, 2498654), (334, 1989946), (532, 1249327), (668, 994973), (1169, 568556), (2338, 284278), (3173, 209468), (4676, 142139), (6346, 104734), (7481, 88844), (12692, 52367), (14962, 44422), (22211, 29924)]