120781388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{853}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 261119040

約数和(自身を除く): 140337652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 389, 778, 853, 1556, 1706, 2723, 3412, 5057, 5446, 5971, 10114, 10892, 11089, 11942, 20228, 22178, 23884, 35399, 44356, 70798, 77623, 141596, 155246, 310492, 331817, 663634, 1327268, 2322719, 4313621, 4645438, 8627242, 9290876, 17254484, 30195347, 60390694, 120781388]

約数ペア:

[(1, 120781388), (2, 60390694), (4, 30195347), (7, 17254484), (13, 9290876), (14, 8627242), (26, 4645438), (28, 4313621), (52, 2322719), (91, 1327268), (182, 663634), (364, 331817), (389, 310492), (778, 155246), (853, 141596), (1556, 77623), (1706, 70798), (2723, 44356), (3412, 35399), (5057, 23884), (5446, 22178), (5971, 20228), (10114, 11942), (10892, 11089)]