189618256

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{8447}}^1$

素因数の和:8539

約数の個数: 40

約数和(自身を含む): 389689344

約数和(自身を除く): 200071088

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1403, 2806, 5612, 8447, 11224, 16894, 22448, 33788, 67576, 135152, 194281, 388562, 515267, 777124, 1030534, 1554248, 2061068, 3108496, 4122136, 8244272, 11851141, 23702282, 47404564, 94809128, 189618256]

約数ペア:

[(1, 189618256), (2, 94809128), (4, 47404564), (8, 23702282), (16, 11851141), (23, 8244272), (46, 4122136), (61, 3108496), (92, 2061068), (122, 1554248), (184, 1030534), (244, 777124), (368, 515267), (488, 388562), (976, 194281), (1403, 135152), (2806, 67576), (5612, 33788), (8447, 22448), (11224, 16894)]