291208212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9901}}^1$

素因数の和:9973

約数の個数: 72

約数和(自身を含む): 792952160

約数和(自身を除く): 501743948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 774, 817, 1548, 1634, 2451, 3268, 4902, 7353, 9804, 9901, 14706, 19802, 29412, 29703, 39604, 59406, 89109, 118812, 178218, 188119, 356436, 376238, 425743, 564357, 752476, 851486, 1128714, 1277229, 1693071, 1702972, 2257428, 2554458, 3386142, 3831687, 5108916, 6772284, 7663374, 8089117, 15326748, 16178234, 24267351, 32356468, 48534702, 72802053, 97069404, 145604106, 291208212]

約数ペア:

[(1, 291208212), (2, 145604106), (3, 97069404), (4, 72802053), (6, 48534702), (9, 32356468), (12, 24267351), (18, 16178234), (19, 15326748), (36, 8089117), (38, 7663374), (43, 6772284), (57, 5108916), (76, 3831687), (86, 3386142), (114, 2554458), (129, 2257428), (171, 1702972), (172, 1693071), (228, 1277229), (258, 1128714), (342, 851486), (387, 752476), (516, 564357), (684, 425743), (774, 376238), (817, 356436), (1548, 188119), (1634, 178218), (2451, 118812), (3268, 89109), (4902, 59406), (7353, 39604), (9804, 29703), (9901, 29412), (14706, 19802)]