388635548

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{3889}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 805136640

約数和(自身を除く): 416501092

約数列:

[1, 2, 4, 7, 14, 28, 43, 83, 86, 166, 172, 301, 332, 581, 602, 1162, 1204, 2324, 3569, 3889, 7138, 7778, 14276, 15556, 24983, 27223, 49966, 54446, 99932, 108892, 167227, 322787, 334454, 645574, 668908, 1170589, 1291148, 2259509, 2341178, 4519018, 4682356, 9038036, 13879841, 27759682, 55519364, 97158887, 194317774, 388635548]

約数ペア:

[(1, 388635548), (2, 194317774), (4, 97158887), (7, 55519364), (14, 27759682), (28, 13879841), (43, 9038036), (83, 4682356), (86, 4519018), (166, 2341178), (172, 2259509), (301, 1291148), (332, 1170589), (581, 668908), (602, 645574), (1162, 334454), (1204, 322787), (2324, 167227), (3569, 108892), (3889, 99932), (7138, 54446), (7778, 49966), (14276, 27223), (15556, 24983)]