72221968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49603}}^1$

素因数の和:49631

約数の個数: 40

約数和(自身を含む): 172225088

約数和(自身を除く): 100003120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 49603, 99206, 198412, 347221, 396824, 644839, 694442, 793648, 1289678, 1388884, 2579356, 2777768, 4513873, 5158712, 5555536, 9027746, 10317424, 18055492, 36110984, 72221968]

約数ペア:

[(1, 72221968), (2, 36110984), (4, 18055492), (7, 10317424), (8, 9027746), (13, 5555536), (14, 5158712), (16, 4513873), (26, 2777768), (28, 2579356), (52, 1388884), (56, 1289678), (91, 793648), (104, 694442), (112, 644839), (182, 396824), (208, 347221), (364, 198412), (728, 99206), (1456, 49603)]