278327196

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{64969}}^1$

素因数の和:65003

約数の個数: 72

約数和(自身を含む): 851366880

約数和(自身を除く): 573039684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 64969, 129938, 194907, 259876, 389814, 454783, 584721, 779628, 909566, 1104473, 1169442, 1364349, 1819132, 2208946, 2338884, 2728698, 3313419, 4093047, 4417892, 5457396, 6626838, 7731311, 8186094, 9940257, 13253676, 15462622, 16372188, 19880514, 23193933, 30925244, 39761028, 46387866, 69581799, 92775732, 139163598, 278327196]

約数ペア:

[(1, 278327196), (2, 139163598), (3, 92775732), (4, 69581799), (6, 46387866), (7, 39761028), (9, 30925244), (12, 23193933), (14, 19880514), (17, 16372188), (18, 15462622), (21, 13253676), (28, 9940257), (34, 8186094), (36, 7731311), (42, 6626838), (51, 5457396), (63, 4417892), (68, 4093047), (84, 3313419), (102, 2728698), (119, 2338884), (126, 2208946), (153, 1819132), (204, 1364349), (238, 1169442), (252, 1104473), (306, 909566), (357, 779628), (476, 584721), (612, 454783), (714, 389814), (1071, 259876), (1428, 194907), (2142, 129938), (4284, 64969)]