78480724

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 162288000

約数和(自身を除く): 83807276

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 137, 164, 274, 287, 499, 548, 574, 959, 998, 1148, 1918, 1996, 3493, 3836, 5617, 6986, 11234, 13972, 20459, 22468, 39319, 40918, 68363, 78638, 81836, 136726, 143213, 157276, 273452, 286426, 478541, 572852, 957082, 1914164, 2802883, 5605766, 11211532, 19620181, 39240362, 78480724]

約数ペア:

[(1, 78480724), (2, 39240362), (4, 19620181), (7, 11211532), (14, 5605766), (28, 2802883), (41, 1914164), (82, 957082), (137, 572852), (164, 478541), (274, 286426), (287, 273452), (499, 157276), (548, 143213), (574, 136726), (959, 81836), (998, 78638), (1148, 68363), (1918, 40918), (1996, 39319), (3493, 22468), (3836, 20459), (5617, 13972), (6986, 11234)]