788463455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 1107025920

約数和(自身を除く): 318562465

約数列:

[1, 5, 13, 29, 31, 65, 103, 131, 145, 155, 377, 403, 515, 655, 899, 1339, 1703, 1885, 2015, 2987, 3193, 3799, 4061, 4495, 6695, 8515, 11687, 13493, 14935, 15965, 18995, 20305, 38831, 41509, 49387, 52793, 58435, 67465, 92597, 117769, 175409, 194155, 207545, 246935, 263965, 391297, 418283, 462985, 588845, 877045, 1203761, 1530997, 1956485, 2091415, 5086861, 5437679, 6018805, 7654985, 12130207, 25434305, 27188395, 60651035, 157692691, 788463455]

約数ペア:

[(1, 788463455), (5, 157692691), (13, 60651035), (29, 27188395), (31, 25434305), (65, 12130207), (103, 7654985), (131, 6018805), (145, 5437679), (155, 5086861), (377, 2091415), (403, 1956485), (515, 1530997), (655, 1203761), (899, 877045), (1339, 588845), (1703, 462985), (1885, 418283), (2015, 391297), (2987, 263965), (3193, 246935), (3799, 207545), (4061, 194155), (4495, 175409), (6695, 117769), (8515, 92597), (11687, 67465), (13493, 58435), (14935, 52793), (15965, 49387), (18995, 41509), (20305, 38831)]