199689346

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 312560640

約数和(自身を除く): 112871294

約数列:

[1, 2, 67, 71, 134, 139, 142, 151, 278, 302, 4757, 9313, 9514, 9869, 10117, 10721, 18626, 19738, 20234, 20989, 21442, 41978, 661223, 718307, 1322446, 1406263, 1436614, 1490219, 2812526, 2980438, 99844673, 199689346]

約数ペア:

[(1, 199689346), (2, 99844673), (67, 2980438), (71, 2812526), (134, 1490219), (139, 1436614), (142, 1406263), (151, 1322446), (278, 718307), (302, 661223), (4757, 41978), (9313, 21442), (9514, 20989), (9869, 20234), (10117, 19738), (10721, 18626)]