31288516

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 66626560

約数和(自身を除く): 35338044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 532, 571, 721, 1142, 1442, 1957, 2284, 2884, 3914, 3997, 7828, 7994, 10849, 13699, 15988, 21698, 27398, 43396, 54796, 58813, 75943, 117626, 151886, 235252, 303772, 411691, 823382, 1117447, 1646764, 2234894, 4469788, 7822129, 15644258, 31288516]

約数ペア:

[(1, 31288516), (2, 15644258), (4, 7822129), (7, 4469788), (14, 2234894), (19, 1646764), (28, 1117447), (38, 823382), (76, 411691), (103, 303772), (133, 235252), (206, 151886), (266, 117626), (412, 75943), (532, 58813), (571, 54796), (721, 43396), (1142, 27398), (1442, 21698), (1957, 15988), (2284, 13699), (2884, 10849), (3914, 7994), (3997, 7828)]