78935740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1303}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 179419968

約数和(自身を除く): 100484228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 466, 932, 1165, 1303, 2330, 2606, 3029, 4660, 5212, 6058, 6515, 12116, 13030, 15145, 16939, 26060, 30290, 33878, 60580, 67756, 84695, 169390, 303599, 338780, 607198, 1214396, 1517995, 3035990, 3946787, 6071980, 7893574, 15787148, 19733935, 39467870, 78935740]

約数ペア:

[(1, 78935740), (2, 39467870), (4, 19733935), (5, 15787148), (10, 7893574), (13, 6071980), (20, 3946787), (26, 3035990), (52, 1517995), (65, 1214396), (130, 607198), (233, 338780), (260, 303599), (466, 169390), (932, 84695), (1165, 67756), (1303, 60580), (2330, 33878), (2606, 30290), (3029, 26060), (4660, 16939), (5212, 15145), (6058, 13030), (6515, 12116)]