49972365

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 90558000

約数和(自身を除く): 40585635

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 149, 257, 261, 435, 447, 745, 771, 1285, 1305, 1341, 2235, 2313, 3855, 4321, 6705, 7453, 11565, 12963, 21605, 22359, 37265, 38293, 38889, 64815, 67077, 111795, 114879, 191465, 194445, 335385, 344637, 574395, 1110497, 1723185, 3331491, 5552485, 9994473, 16657455, 49972365]

約数ペア:

[(1, 49972365), (3, 16657455), (5, 9994473), (9, 5552485), (15, 3331491), (29, 1723185), (45, 1110497), (87, 574395), (145, 344637), (149, 335385), (257, 194445), (261, 191465), (435, 114879), (447, 111795), (745, 67077), (771, 64815), (1285, 38889), (1305, 38293), (1341, 37265), (2235, 22359), (2313, 21605), (3855, 12963), (4321, 11565), (6705, 7453)]