16915925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 24665088

約数和(自身を除く): 7749163

約数列:

[1, 5, 13, 23, 25, 31, 65, 73, 115, 155, 299, 325, 365, 403, 575, 713, 775, 949, 1495, 1679, 1825, 2015, 2263, 3565, 4745, 7475, 8395, 9269, 10075, 11315, 17825, 21827, 23725, 29419, 41975, 46345, 52049, 56575, 109135, 147095, 231725, 260245, 545675, 676637, 735475, 1301225, 3383185, 16915925]

約数ペア:

[(1, 16915925), (5, 3383185), (13, 1301225), (23, 735475), (25, 676637), (31, 545675), (65, 260245), (73, 231725), (115, 147095), (155, 109135), (299, 56575), (325, 52049), (365, 46345), (403, 41975), (575, 29419), (713, 23725), (775, 21827), (949, 17825), (1495, 11315), (1679, 10075), (1825, 9269), (2015, 8395), (2263, 7475), (3565, 4745)]