25478404

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 27743996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 149, 197, 217, 298, 394, 434, 596, 788, 868, 1043, 1379, 2086, 2758, 4172, 4619, 5516, 6107, 9238, 12214, 18476, 24428, 29353, 32333, 42749, 58706, 64666, 85498, 117412, 129332, 170996, 205471, 410942, 821884, 909943, 1819886, 3639772, 6369601, 12739202, 25478404]

約数ペア:

[(1, 25478404), (2, 12739202), (4, 6369601), (7, 3639772), (14, 1819886), (28, 909943), (31, 821884), (62, 410942), (124, 205471), (149, 170996), (197, 129332), (217, 117412), (298, 85498), (394, 64666), (434, 58706), (596, 42749), (788, 32333), (868, 29353), (1043, 24428), (1379, 18476), (2086, 12214), (2758, 9238), (4172, 6107), (4619, 5516)]