389982201

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 662323200

約数和(自身を除く): 272340999

約数列:

[1, 3, 7, 19, 21, 31, 41, 57, 93, 123, 133, 217, 287, 399, 589, 651, 769, 779, 861, 1271, 1767, 2307, 2337, 3813, 4123, 5383, 5453, 8897, 12369, 14611, 16149, 16359, 23839, 24149, 26691, 31529, 43833, 71517, 72447, 94587, 102277, 166873, 169043, 220703, 306831, 452941, 500619, 507129, 599051, 662109, 977399, 1358823, 1797153, 2932197, 3170587, 4193357, 6841793, 9511761, 12580071, 18570581, 20525379, 55711743, 129994067, 389982201]

約数ペア:

[(1, 389982201), (3, 129994067), (7, 55711743), (19, 20525379), (21, 18570581), (31, 12580071), (41, 9511761), (57, 6841793), (93, 4193357), (123, 3170587), (133, 2932197), (217, 1797153), (287, 1358823), (399, 977399), (589, 662109), (651, 599051), (769, 507129), (779, 500619), (861, 452941), (1271, 306831), (1767, 220703), (2307, 169043), (2337, 166873), (3813, 102277), (4123, 94587), (5383, 72447), (5453, 71517), (8897, 43833), (12369, 31529), (14611, 26691), (16149, 24149), (16359, 23839)]