808218255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 1452971520

約数和(自身を除く): 644753265

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 131, 145, 195, 377, 393, 435, 655, 1091, 1131, 1703, 1885, 1965, 3273, 3799, 5109, 5455, 5655, 8515, 11397, 14183, 16365, 18995, 25545, 31639, 42549, 49387, 56985, 70915, 94917, 142921, 148161, 158195, 212745, 246935, 411307, 428763, 474585, 714605, 740805, 1233921, 1857973, 2056535, 2143815, 4144709, 5573919, 6169605, 9289865, 12434127, 20723545, 27869595, 53881217, 62170635, 161643651, 269406085, 808218255]

約数ペア:

[(1, 808218255), (3, 269406085), (5, 161643651), (13, 62170635), (15, 53881217), (29, 27869595), (39, 20723545), (65, 12434127), (87, 9289865), (131, 6169605), (145, 5573919), (195, 4144709), (377, 2143815), (393, 2056535), (435, 1857973), (655, 1233921), (1091, 740805), (1131, 714605), (1703, 474585), (1885, 428763), (1965, 411307), (3273, 246935), (3799, 212745), (5109, 158195), (5455, 148161), (5655, 142921), (8515, 94917), (11397, 70915), (14183, 56985), (16365, 49387), (18995, 42549), (25545, 31639)]