285339131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 109474309

約数列:

[1, 7, 11, 19, 41, 67, 71, 77, 133, 209, 287, 451, 469, 497, 737, 779, 781, 1273, 1349, 1463, 2747, 2911, 3157, 4757, 5159, 5453, 5467, 8569, 8911, 9443, 14003, 14839, 19229, 20377, 30217, 32021, 33299, 52193, 52327, 55309, 59983, 90383, 98021, 103873, 195037, 211519, 224147, 365351, 366289, 387163, 574123, 608399, 632681, 994213, 1365259, 2145407, 3705703, 4018861, 4258793, 6959491, 15017849, 25939921, 40762733, 285339131]

約数ペア:

[(1, 285339131), (7, 40762733), (11, 25939921), (19, 15017849), (41, 6959491), (67, 4258793), (71, 4018861), (77, 3705703), (133, 2145407), (209, 1365259), (287, 994213), (451, 632681), (469, 608399), (497, 574123), (737, 387163), (779, 366289), (781, 365351), (1273, 224147), (1349, 211519), (1463, 195037), (2747, 103873), (2911, 98021), (3157, 90383), (4757, 59983), (5159, 55309), (5453, 52327), (5467, 52193), (8569, 33299), (8911, 32021), (9443, 30217), (14003, 20377), (14839, 19229)]