138642868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 304734528

約数和(自身を除く): 166091660

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 169, 182, 332, 338, 353, 364, 581, 676, 706, 1079, 1162, 1183, 1412, 2158, 2324, 2366, 2471, 4316, 4589, 4732, 4942, 7553, 9178, 9884, 14027, 15106, 18356, 28054, 29299, 30212, 32123, 56108, 58598, 59657, 64246, 98189, 117196, 119314, 128492, 196378, 205093, 238628, 380887, 392756, 410186, 417599, 761774, 820372, 835198, 1523548, 1670396, 2666209, 4951531, 5332418, 9903062, 10664836, 19806124, 34660717, 69321434, 138642868]

約数ペア:

[(1, 138642868), (2, 69321434), (4, 34660717), (7, 19806124), (13, 10664836), (14, 9903062), (26, 5332418), (28, 4951531), (52, 2666209), (83, 1670396), (91, 1523548), (166, 835198), (169, 820372), (182, 761774), (332, 417599), (338, 410186), (353, 392756), (364, 380887), (581, 238628), (676, 205093), (706, 196378), (1079, 128492), (1162, 119314), (1183, 117196), (1412, 98189), (2158, 64246), (2324, 59657), (2366, 58598), (2471, 56108), (4316, 32123), (4589, 30212), (4732, 29299), (4942, 28054), (7553, 18356), (9178, 15106), (9884, 14027)]