1406865068

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 2912540400

約数和(自身を除く): 1505675332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 157, 196, 262, 314, 349, 524, 628, 698, 917, 1099, 1396, 1834, 2198, 2443, 3668, 4396, 4886, 6419, 7693, 9772, 12838, 15386, 17101, 20567, 25676, 30772, 34202, 41134, 45719, 54793, 68404, 82268, 91438, 109586, 143969, 182876, 219172, 287938, 320033, 383551, 575876, 640066, 767102, 1007783, 1280132, 1534204, 2015566, 2240231, 2684857, 4031132, 4480462, 5369714, 7177883, 8960924, 10739428, 14355766, 28711532, 50245181, 100490362, 200980724, 351716267, 703432534, 1406865068]

約数ペア:

[(1, 1406865068), (2, 703432534), (4, 351716267), (7, 200980724), (14, 100490362), (28, 50245181), (49, 28711532), (98, 14355766), (131, 10739428), (157, 8960924), (196, 7177883), (262, 5369714), (314, 4480462), (349, 4031132), (524, 2684857), (628, 2240231), (698, 2015566), (917, 1534204), (1099, 1280132), (1396, 1007783), (1834, 767102), (2198, 640066), (2443, 575876), (3668, 383551), (4396, 320033), (4886, 287938), (6419, 219172), (7693, 182876), (9772, 143969), (12838, 109586), (15386, 91438), (17101, 82268), (20567, 68404), (25676, 54793), (30772, 45719), (34202, 41134)]