1667744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 3739680

約数和(自身を除く): 2071936

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 211, 247, 304, 416, 422, 494, 608, 844, 988, 1688, 1976, 2743, 3376, 3952, 4009, 5486, 6752, 7904, 8018, 10972, 16036, 21944, 32072, 43888, 52117, 64144, 87776, 104234, 128288, 208468, 416936, 833872, 1667744]

約数ペア:

[(1, 1667744), (2, 833872), (4, 416936), (8, 208468), (13, 128288), (16, 104234), (19, 87776), (26, 64144), (32, 52117), (38, 43888), (52, 32072), (76, 21944), (104, 16036), (152, 10972), (208, 8018), (211, 7904), (247, 6752), (304, 5486), (416, 4009), (422, 3952), (494, 3376), (608, 2743), (844, 1976), (988, 1688)]