321290944

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12457}}^1$

素因数の和:12513

約数の個数: 56

約数和(自身を含む): 708810368

約数和(自身を除く): 387519424

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12457, 12896, 24914, 25792, 49828, 99656, 161941, 199312, 323882, 386167, 398624, 647764, 772334, 797248, 1295528, 1544668, 2591056, 3089336, 5020171, 5182112, 6178672, 10040342, 10364224, 12357344, 20080684, 24714688, 40161368, 80322736, 160645472, 321290944]

約数ペア:

[(1, 321290944), (2, 160645472), (4, 80322736), (8, 40161368), (13, 24714688), (16, 20080684), (26, 12357344), (31, 10364224), (32, 10040342), (52, 6178672), (62, 5182112), (64, 5020171), (104, 3089336), (124, 2591056), (208, 1544668), (248, 1295528), (403, 797248), (416, 772334), (496, 647764), (806, 398624), (832, 386167), (992, 323882), (1612, 199312), (1984, 161941), (3224, 99656), (6448, 49828), (12457, 25792), (12896, 24914)]