215672016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{641881}}^1$

素因数の和:641899

約数の個数: 40

約数和(自身を含む): 636746944

約数和(自身を除く): 421074928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 641881, 1283762, 1925643, 2567524, 3851286, 4493167, 5135048, 7702572, 8986334, 10270096, 13479501, 15405144, 17972668, 26959002, 30810288, 35945336, 53918004, 71890672, 107836008, 215672016]

約数ペア:

[(1, 215672016), (2, 107836008), (3, 71890672), (4, 53918004), (6, 35945336), (7, 30810288), (8, 26959002), (12, 17972668), (14, 15405144), (16, 13479501), (21, 10270096), (24, 8986334), (28, 7702572), (42, 5135048), (48, 4493167), (56, 3851286), (84, 2567524), (112, 1925643), (168, 1283762), (336, 641881)]