15661695452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1527

約数の個数: 72

約数和(自身を含む): 30495032400

約数和(自身を除く): 14833336948

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 139, 164, 278, 533, 556, 1066, 1289, 1681, 1807, 2132, 2578, 3362, 3614, 5156, 5699, 6724, 7228, 11398, 16757, 21853, 22796, 33514, 43706, 52849, 67028, 74087, 87412, 105698, 148174, 179171, 211396, 233659, 296348, 358342, 467318, 687037, 716684, 934636, 1374074, 2166809, 2329223, 2748148, 3037567, 4333618, 4658446, 6075134, 7346011, 8667236, 9316892, 12150268, 14692022, 28168517, 29384044, 56337034, 95498143, 112674068, 190996286, 301186451, 381992572, 602372902, 1204745804, 3915423863, 7830847726, 15661695452]

約数ペア:

[(1, 15661695452), (2, 7830847726), (4, 3915423863), (13, 1204745804), (26, 602372902), (41, 381992572), (52, 301186451), (82, 190996286), (139, 112674068), (164, 95498143), (278, 56337034), (533, 29384044), (556, 28168517), (1066, 14692022), (1289, 12150268), (1681, 9316892), (1807, 8667236), (2132, 7346011), (2578, 6075134), (3362, 4658446), (3614, 4333618), (5156, 3037567), (5699, 2748148), (6724, 2329223), (7228, 2166809), (11398, 1374074), (16757, 934636), (21853, 716684), (22796, 687037), (33514, 467318), (43706, 358342), (52849, 296348), (67028, 233659), (74087, 211396), (87412, 179171), (105698, 148174)]