199891916

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{907}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 424682496

約数和(自身を除く): 224790580

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 463, 476, 907, 926, 1814, 1852, 3241, 3628, 6349, 6482, 7871, 12698, 12964, 15419, 15742, 25396, 30838, 31484, 55097, 61676, 107933, 110194, 215866, 220388, 419941, 431732, 839882, 1679764, 2939587, 5879174, 7138997, 11758348, 14277994, 28555988, 49972979, 99945958, 199891916]

約数ペア:

[(1, 199891916), (2, 99945958), (4, 49972979), (7, 28555988), (14, 14277994), (17, 11758348), (28, 7138997), (34, 5879174), (68, 2939587), (119, 1679764), (238, 839882), (463, 431732), (476, 419941), (907, 220388), (926, 215866), (1814, 110194), (1852, 107933), (3241, 61676), (3628, 55097), (6349, 31484), (6482, 30838), (7871, 25396), (12698, 15742), (12964, 15419)]