209978748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26879}}^1$

素因数の和:26927

約数の個数: 72

約数和(自身を含む): 626196480

約数和(自身を除く): 416217732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 26879, 53758, 80637, 107516, 161274, 188153, 241911, 322548, 376306, 483822, 564459, 752612, 833249, 967644, 1128918, 1666498, 1693377, 2257836, 2499747, 3332996, 3386754, 4999494, 5832743, 6773508, 7499241, 9998988, 11665486, 14998482, 17498229, 23330972, 29996964, 34996458, 52494687, 69992916, 104989374, 209978748]

約数ペア:

[(1, 209978748), (2, 104989374), (3, 69992916), (4, 52494687), (6, 34996458), (7, 29996964), (9, 23330972), (12, 17498229), (14, 14998482), (18, 11665486), (21, 9998988), (28, 7499241), (31, 6773508), (36, 5832743), (42, 4999494), (62, 3386754), (63, 3332996), (84, 2499747), (93, 2257836), (124, 1693377), (126, 1666498), (186, 1128918), (217, 967644), (252, 833249), (279, 752612), (372, 564459), (434, 483822), (558, 376306), (651, 322548), (868, 241911), (1116, 188153), (1302, 161274), (1953, 107516), (2604, 80637), (3906, 53758), (7812, 26879)]