278863416

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{297931}}^1$

素因数の和:297956

約数の個数: 48

約数和(自身を含む): 813354360

約数和(自身を除く): 534490944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 297931, 595862, 893793, 1191724, 1787586, 2383448, 2681379, 3575172, 3873103, 5362758, 7150344, 7746206, 10725516, 11619309, 15492412, 21451032, 23238618, 30984824, 34857927, 46477236, 69715854, 92954472, 139431708, 278863416]

約数ペア:

[(1, 278863416), (2, 139431708), (3, 92954472), (4, 69715854), (6, 46477236), (8, 34857927), (9, 30984824), (12, 23238618), (13, 21451032), (18, 15492412), (24, 11619309), (26, 10725516), (36, 7746206), (39, 7150344), (52, 5362758), (72, 3873103), (78, 3575172), (104, 2681379), (117, 2383448), (156, 1787586), (234, 1191724), (312, 893793), (468, 595862), (936, 297931)]