201720968

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 404352000

約数和(自身を除く): 202631032

約数列:

[1, 2, 4, 8, 31, 53, 62, 103, 106, 124, 149, 206, 212, 248, 298, 412, 424, 596, 824, 1192, 1643, 3193, 3286, 4619, 5459, 6386, 6572, 7897, 9238, 10918, 12772, 13144, 15347, 15794, 18476, 21836, 25544, 30694, 31588, 36952, 43672, 61388, 63176, 122776, 169229, 244807, 338458, 475757, 489614, 676916, 813391, 951514, 979228, 1353832, 1626782, 1903028, 1958456, 3253564, 3806056, 6507128, 25215121, 50430242, 100860484, 201720968]

約数ペア:

[(1, 201720968), (2, 100860484), (4, 50430242), (8, 25215121), (31, 6507128), (53, 3806056), (62, 3253564), (103, 1958456), (106, 1903028), (124, 1626782), (149, 1353832), (206, 979228), (212, 951514), (248, 813391), (298, 676916), (412, 489614), (424, 475757), (596, 338458), (824, 244807), (1192, 169229), (1643, 122776), (3193, 63176), (3286, 61388), (4619, 43672), (5459, 36952), (6386, 31588), (6572, 30694), (7897, 25544), (9238, 21836), (10918, 18476), (12772, 15794), (13144, 15347)]