2012111316

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{1777}}^1$

素因数の和:2301

約数の個数: 72

約数和(自身を含む): 5172358464

約数和(自身を除く): 3160247148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 443, 639, 852, 886, 1278, 1329, 1772, 1777, 2556, 2658, 3554, 3987, 5316, 5331, 7108, 7974, 10662, 15948, 15993, 21324, 31453, 31986, 62906, 63972, 94359, 125812, 126167, 188718, 252334, 283077, 377436, 378501, 504668, 566154, 757002, 787211, 1132308, 1135503, 1514004, 1574422, 2271006, 2361633, 3148844, 4542012, 4723266, 7084899, 9446532, 14169798, 28339596, 55891981, 111783962, 167675943, 223567924, 335351886, 503027829, 670703772, 1006055658, 2012111316]

約数ペア:

[(1, 2012111316), (2, 1006055658), (3, 670703772), (4, 503027829), (6, 335351886), (9, 223567924), (12, 167675943), (18, 111783962), (36, 55891981), (71, 28339596), (142, 14169798), (213, 9446532), (284, 7084899), (426, 4723266), (443, 4542012), (639, 3148844), (852, 2361633), (886, 2271006), (1278, 1574422), (1329, 1514004), (1772, 1135503), (1777, 1132308), (2556, 787211), (2658, 757002), (3554, 566154), (3987, 504668), (5316, 378501), (5331, 377436), (7108, 283077), (7974, 252334), (10662, 188718), (15948, 126167), (15993, 125812), (21324, 94359), (31453, 63972), (31986, 62906)]