668701618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 1178634240

約数和(自身を除く): 509932622

約数列:

[1, 2, 13, 19, 26, 38, 47, 83, 94, 166, 247, 347, 494, 611, 694, 893, 1079, 1222, 1577, 1786, 2158, 3154, 3901, 4511, 6593, 7802, 9022, 11609, 13186, 16309, 20501, 23218, 28801, 32618, 41002, 50713, 57602, 74119, 85709, 101426, 148238, 171418, 212017, 309871, 374413, 424034, 547219, 619742, 748826, 963547, 1094438, 1353647, 1927094, 2707294, 4028323, 7113847, 8056646, 14227694, 17597411, 25719293, 35194822, 51438586, 334350809, 668701618]

約数ペア:

[(1, 668701618), (2, 334350809), (13, 51438586), (19, 35194822), (26, 25719293), (38, 17597411), (47, 14227694), (83, 8056646), (94, 7113847), (166, 4028323), (247, 2707294), (347, 1927094), (494, 1353647), (611, 1094438), (694, 963547), (893, 748826), (1079, 619742), (1222, 547219), (1577, 424034), (1786, 374413), (2158, 309871), (3154, 212017), (3901, 171418), (4511, 148238), (6593, 101426), (7802, 85709), (9022, 74119), (11609, 57602), (13186, 50713), (16309, 41002), (20501, 32618), (23218, 28801)]