287029015

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 434482272

約数和(自身を除く): 147453257

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 227, 245, 397, 455, 637, 1135, 1589, 1985, 2779, 2951, 3185, 5161, 7945, 11123, 13895, 14755, 19453, 20657, 25805, 36127, 55615, 90119, 97265, 103285, 144599, 180635, 252889, 450595, 630833, 722995, 1171547, 1264445, 3154165, 4415831, 5857735, 8200829, 22079155, 41004145, 57405803, 287029015]

約数ペア:

[(1, 287029015), (5, 57405803), (7, 41004145), (13, 22079155), (35, 8200829), (49, 5857735), (65, 4415831), (91, 3154165), (227, 1264445), (245, 1171547), (397, 722995), (455, 630833), (637, 450595), (1135, 252889), (1589, 180635), (1985, 144599), (2779, 103285), (2951, 97265), (3185, 90119), (5161, 55615), (7945, 36127), (11123, 25805), (13895, 20657), (14755, 19453)]