199837516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1129}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 392968800

約数和(自身を除く): 193131284

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 137, 274, 323, 548, 646, 1129, 1292, 2258, 2329, 2603, 4516, 4658, 5206, 9316, 10412, 19193, 21451, 38386, 42902, 44251, 76772, 85804, 88502, 154673, 177004, 309346, 364667, 618692, 729334, 1458668, 2629441, 2938787, 5258882, 5877574, 10517764, 11755148, 49959379, 99918758, 199837516]

約数ペア:

[(1, 199837516), (2, 99918758), (4, 49959379), (17, 11755148), (19, 10517764), (34, 5877574), (38, 5258882), (68, 2938787), (76, 2629441), (137, 1458668), (274, 729334), (323, 618692), (548, 364667), (646, 309346), (1129, 177004), (1292, 154673), (2258, 88502), (2329, 85804), (2603, 76772), (4516, 44251), (4658, 42902), (5206, 38386), (9316, 21451), (10412, 19193)]