280802886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8431}}^1$

素因数の和:8517

約数の個数: 64

約数和(自身を含む): 702621696

約数和(自身を除く): 421818810

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 546, 793, 854, 1281, 1586, 2379, 2562, 4758, 5551, 8431, 11102, 16653, 16862, 25293, 33306, 50586, 59017, 109603, 118034, 177051, 219206, 328809, 354102, 514291, 657618, 767221, 1028582, 1534442, 1542873, 2301663, 3085746, 3600037, 4603326, 6685783, 7200074, 10800111, 13371566, 20057349, 21600222, 40114698, 46800481, 93600962, 140401443, 280802886]

約数ペア:

[(1, 280802886), (2, 140401443), (3, 93600962), (6, 46800481), (7, 40114698), (13, 21600222), (14, 20057349), (21, 13371566), (26, 10800111), (39, 7200074), (42, 6685783), (61, 4603326), (78, 3600037), (91, 3085746), (122, 2301663), (182, 1542873), (183, 1534442), (273, 1028582), (366, 767221), (427, 657618), (546, 514291), (793, 354102), (854, 328809), (1281, 219206), (1586, 177051), (2379, 118034), (2562, 109603), (4758, 59017), (5551, 50586), (8431, 33306), (11102, 25293), (16653, 16862)]