1948651770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{217241}}^1$

素因数の和:217287

約数の個数: 64

約数和(自身を含む): 5255518464

約数和(自身を除く): 3306866694

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970, 217241, 434482, 651723, 1086205, 1303446, 2172410, 2824133, 3258615, 4996543, 5648266, 6517230, 8472399, 9993086, 14120665, 14989629, 16944798, 24982715, 28241330, 29979258, 42361995, 49965430, 64955059, 74948145, 84723990, 129910118, 149896290, 194865177, 324775295, 389730354, 649550590, 974325885, 1948651770]

約数ペア:

[(1, 1948651770), (2, 974325885), (3, 649550590), (5, 389730354), (6, 324775295), (10, 194865177), (13, 149896290), (15, 129910118), (23, 84723990), (26, 74948145), (30, 64955059), (39, 49965430), (46, 42361995), (65, 29979258), (69, 28241330), (78, 24982715), (115, 16944798), (130, 14989629), (138, 14120665), (195, 9993086), (230, 8472399), (299, 6517230), (345, 5648266), (390, 4996543), (598, 3258615), (690, 2824133), (897, 2172410), (1495, 1303446), (1794, 1086205), (2990, 651723), (4485, 434482), (8970, 217241)]