1981233904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{114761}}^1$

素因数の和:114865

約数の個数: 40

約数和(自身を含む): 4183763472

約数和(自身を除く): 2202529568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 8632, 17264, 114761, 229522, 459044, 918088, 1491893, 1836176, 2983786, 5967572, 9525163, 11935144, 19050326, 23870288, 38100652, 76201304, 123827119, 152402608, 247654238, 495308476, 990616952, 1981233904]

約数ペア:

[(1, 1981233904), (2, 990616952), (4, 495308476), (8, 247654238), (13, 152402608), (16, 123827119), (26, 76201304), (52, 38100652), (83, 23870288), (104, 19050326), (166, 11935144), (208, 9525163), (332, 5967572), (664, 2983786), (1079, 1836176), (1328, 1491893), (2158, 918088), (4316, 459044), (8632, 229522), (17264, 114761)]