81591244

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 173555200

約数和(自身を除く): 91963956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 532, 721, 1442, 1489, 1957, 2884, 2978, 3914, 5956, 7828, 10423, 13699, 20846, 27398, 28291, 41692, 54796, 56582, 113164, 153367, 198037, 306734, 396074, 613468, 792148, 1073569, 2147138, 2913973, 4294276, 5827946, 11655892, 20397811, 40795622, 81591244]

約数ペア:

[(1, 81591244), (2, 40795622), (4, 20397811), (7, 11655892), (14, 5827946), (19, 4294276), (28, 2913973), (38, 2147138), (76, 1073569), (103, 792148), (133, 613468), (206, 396074), (266, 306734), (412, 198037), (532, 153367), (721, 113164), (1442, 56582), (1489, 54796), (1957, 41692), (2884, 28291), (2978, 27398), (3914, 20846), (5956, 13699), (7828, 10423)]