2887925404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{19687}}^1$

素因数の和:19755

約数の個数: 72

約数和(自身を含む): 6456403968

約数和(自身を除く): 3568478564

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 2366, 2821, 4732, 5239, 5642, 10478, 11284, 19687, 20956, 36673, 39374, 73346, 78748, 137809, 146692, 255931, 275618, 511862, 551236, 610297, 1023724, 1220594, 1791517, 2441188, 3327103, 3583034, 4272079, 6654206, 7166068, 7933861, 8544158, 13308412, 15867722, 17088316, 23289721, 31735444, 46579442, 55537027, 93158884, 103140193, 111074054, 206280386, 222148108, 412560772, 721981351, 1443962702, 2887925404]

約数ペア:

[(1, 2887925404), (2, 1443962702), (4, 721981351), (7, 412560772), (13, 222148108), (14, 206280386), (26, 111074054), (28, 103140193), (31, 93158884), (52, 55537027), (62, 46579442), (91, 31735444), (124, 23289721), (169, 17088316), (182, 15867722), (217, 13308412), (338, 8544158), (364, 7933861), (403, 7166068), (434, 6654206), (676, 4272079), (806, 3583034), (868, 3327103), (1183, 2441188), (1612, 1791517), (2366, 1220594), (2821, 1023724), (4732, 610297), (5239, 551236), (5642, 511862), (10478, 275618), (11284, 255931), (19687, 146692), (20956, 137809), (36673, 78748), (39374, 73346)]