397963839

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 707857920

約数和(自身を除く): 309894081

約数列:

[1, 3, 7, 13, 21, 29, 39, 43, 49, 87, 91, 129, 147, 167, 203, 273, 301, 377, 501, 559, 609, 637, 903, 1131, 1169, 1247, 1421, 1677, 1911, 2107, 2171, 2639, 3507, 3741, 3913, 4263, 4843, 6321, 6513, 7181, 7917, 8183, 8729, 11739, 14529, 15197, 16211, 18473, 21543, 24549, 26187, 27391, 33901, 45591, 48633, 50267, 55419, 61103, 62959, 82173, 93353, 101703, 106379, 113477, 150801, 183309, 188877, 208249, 237307, 280059, 319137, 340431, 351869, 440713, 624747, 653471, 711921, 794339, 1055607, 1322139, 1457743, 1960413, 2383017, 2707237, 3084991, 4373229, 4574297, 8121711, 9254973, 10204201, 13722891, 18950659, 30612603, 56851977, 132654613, 397963839]

約数ペア:

[(1, 397963839), (3, 132654613), (7, 56851977), (13, 30612603), (21, 18950659), (29, 13722891), (39, 10204201), (43, 9254973), (49, 8121711), (87, 4574297), (91, 4373229), (129, 3084991), (147, 2707237), (167, 2383017), (203, 1960413), (273, 1457743), (301, 1322139), (377, 1055607), (501, 794339), (559, 711921), (609, 653471), (637, 624747), (903, 440713), (1131, 351869), (1169, 340431), (1247, 319137), (1421, 280059), (1677, 237307), (1911, 208249), (2107, 188877), (2171, 183309), (2639, 150801), (3507, 113477), (3741, 106379), (3913, 101703), (4263, 93353), (4843, 82173), (6321, 62959), (6513, 61103), (7181, 55419), (7917, 50267), (8183, 48633), (8729, 45591), (11739, 33901), (14529, 27391), (15197, 26187), (16211, 24549), (18473, 21543)]