25086998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 15555562

約数列:

[1, 2, 31, 41, 62, 71, 82, 139, 142, 278, 1271, 2201, 2542, 2911, 4309, 4402, 5699, 5822, 8618, 9869, 11398, 19738, 90241, 176669, 180482, 305939, 353338, 404629, 611878, 809258, 12543499, 25086998]

約数ペア:

[(1, 25086998), (2, 12543499), (31, 809258), (41, 611878), (62, 404629), (71, 353338), (82, 305939), (139, 180482), (142, 176669), (278, 90241), (1271, 19738), (2201, 11398), (2542, 9869), (2911, 8618), (4309, 5822), (4402, 5699)]