291215470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16843}}^1$

素因数の和:16889

約数の個数: 64

約数和(自身を含む): 679150080

約数和(自身を除く): 387934610

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 8645, 16843, 17290, 33686, 84215, 117901, 168430, 218959, 235802, 320017, 437918, 589505, 640034, 1094795, 1179010, 1532713, 1600085, 2189590, 2240119, 3065426, 3200170, 4160221, 4480238, 7663565, 8320442, 11200595, 15327130, 20801105, 22401190, 29121547, 41602210, 58243094, 145607735, 291215470]

約数ペア:

[(1, 291215470), (2, 145607735), (5, 58243094), (7, 41602210), (10, 29121547), (13, 22401190), (14, 20801105), (19, 15327130), (26, 11200595), (35, 8320442), (38, 7663565), (65, 4480238), (70, 4160221), (91, 3200170), (95, 3065426), (130, 2240119), (133, 2189590), (182, 1600085), (190, 1532713), (247, 1179010), (266, 1094795), (455, 640034), (494, 589505), (665, 437918), (910, 320017), (1235, 235802), (1330, 218959), (1729, 168430), (2470, 117901), (3458, 84215), (8645, 33686), (16843, 17290)]