212920706

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 340778880

約数和(自身を除く): 127858174

約数列:

[1, 2, 23, 46, 73, 146, 163, 326, 389, 778, 1679, 3358, 3749, 7498, 8947, 11899, 17894, 23798, 28397, 56794, 63407, 126814, 273677, 547354, 653131, 1306262, 1458361, 2916722, 4628711, 9257422, 106460353, 212920706]

約数ペア:

[(1, 212920706), (2, 106460353), (23, 9257422), (46, 4628711), (73, 2916722), (146, 1458361), (163, 1306262), (326, 653131), (389, 547354), (778, 273677), (1679, 126814), (3358, 63407), (3749, 56794), (7498, 28397), (8947, 23798), (11899, 17894)]