16980808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 37094400

約数和(自身を除く): 20113592

約数列:

[1, 2, 4, 8, 13, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 229, 248, 299, 403, 458, 598, 713, 806, 916, 1196, 1426, 1612, 1832, 2392, 2852, 2977, 3224, 5267, 5704, 5954, 7099, 9269, 10534, 11908, 14198, 18538, 21068, 23816, 28396, 37076, 42136, 56792, 68471, 74152, 92287, 136942, 163277, 184574, 273884, 326554, 369148, 547768, 653108, 738296, 1306216, 2122601, 4245202, 8490404, 16980808]

約数ペア:

[(1, 16980808), (2, 8490404), (4, 4245202), (8, 2122601), (13, 1306216), (23, 738296), (26, 653108), (31, 547768), (46, 369148), (52, 326554), (62, 273884), (92, 184574), (104, 163277), (124, 136942), (184, 92287), (229, 74152), (248, 68471), (299, 56792), (403, 42136), (458, 37076), (598, 28396), (713, 23816), (806, 21068), (916, 18538), (1196, 14198), (1426, 11908), (1612, 10534), (1832, 9269), (2392, 7099), (2852, 5954), (2977, 5704), (3224, 5267)]