202400989

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 252412416

約数和(自身を除く): 50011427

約数列:

[1, 7, 23, 37, 61, 161, 259, 427, 557, 851, 1403, 2257, 3899, 5957, 9821, 12811, 15799, 20609, 33977, 51911, 89677, 144263, 237839, 363377, 474007, 781471, 1257149, 3318049, 5470297, 8800043, 28914427, 202400989]

約数ペア:

[(1, 202400989), (7, 28914427), (23, 8800043), (37, 5470297), (61, 3318049), (161, 1257149), (259, 781471), (427, 474007), (557, 363377), (851, 237839), (1403, 144263), (2257, 89677), (3899, 51911), (5957, 33977), (9821, 20609), (12811, 15799)]