978187826

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3359}}^1$

素因数の和:3471

約数の個数: 64

約数和(自身を含む): 1919877120

約数和(自身を除く): 941689294

約数列:

[1, 2, 7, 11, 14, 22, 31, 61, 62, 77, 122, 154, 217, 341, 427, 434, 671, 682, 854, 1342, 1891, 2387, 3359, 3782, 4697, 4774, 6718, 9394, 13237, 20801, 23513, 26474, 36949, 41602, 47026, 73898, 104129, 145607, 204899, 208258, 258643, 291214, 409798, 517286, 728903, 1145419, 1434293, 1457806, 2253889, 2290838, 2868586, 4507778, 6351869, 8017933, 12703738, 15777223, 16035866, 31554446, 44463083, 69870559, 88926166, 139741118, 489093913, 978187826]

約数ペア:

[(1, 978187826), (2, 489093913), (7, 139741118), (11, 88926166), (14, 69870559), (22, 44463083), (31, 31554446), (61, 16035866), (62, 15777223), (77, 12703738), (122, 8017933), (154, 6351869), (217, 4507778), (341, 2868586), (427, 2290838), (434, 2253889), (671, 1457806), (682, 1434293), (854, 1145419), (1342, 728903), (1891, 517286), (2387, 409798), (3359, 291214), (3782, 258643), (4697, 208258), (4774, 204899), (6718, 145607), (9394, 104129), (13237, 73898), (20801, 47026), (23513, 41602), (26474, 36949)]