87478456

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 179852400

約数和(自身を除く): 92373944

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 169, 178, 338, 356, 676, 712, 727, 1157, 1352, 1454, 2314, 2908, 4628, 5816, 9256, 9451, 15041, 18902, 30082, 37804, 60164, 64703, 75608, 120328, 122863, 129406, 245726, 258812, 491452, 517624, 841139, 982904, 1682278, 3364556, 6729112, 10934807, 21869614, 43739228, 87478456]

約数ペア:

[(1, 87478456), (2, 43739228), (4, 21869614), (8, 10934807), (13, 6729112), (26, 3364556), (52, 1682278), (89, 982904), (104, 841139), (169, 517624), (178, 491452), (338, 258812), (356, 245726), (676, 129406), (712, 122863), (727, 120328), (1157, 75608), (1352, 64703), (1454, 60164), (2314, 37804), (2908, 30082), (4628, 18902), (5816, 15041), (9256, 9451)]