197987334

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 430686720

約数和(自身を除く): 232699386

約数列:

[1, 2, 3, 6, 19, 38, 57, 61, 71, 114, 122, 142, 183, 213, 366, 401, 426, 802, 1159, 1203, 1349, 2318, 2406, 2698, 3477, 4047, 4331, 6954, 7619, 8094, 8662, 12993, 15238, 22857, 24461, 25986, 28471, 45714, 48922, 56942, 73383, 82289, 85413, 146766, 164578, 170826, 246867, 464759, 493734, 540949, 929518, 1081898, 1394277, 1622847, 1736731, 2788554, 3245694, 3473462, 5210193, 10420386, 32997889, 65995778, 98993667, 197987334]

約数ペア:

[(1, 197987334), (2, 98993667), (3, 65995778), (6, 32997889), (19, 10420386), (38, 5210193), (57, 3473462), (61, 3245694), (71, 2788554), (114, 1736731), (122, 1622847), (142, 1394277), (183, 1081898), (213, 929518), (366, 540949), (401, 493734), (426, 464759), (802, 246867), (1159, 170826), (1203, 164578), (1349, 146766), (2318, 85413), (2406, 82289), (2698, 73383), (3477, 56942), (4047, 48922), (4331, 45714), (6954, 28471), (7619, 25986), (8094, 24461), (8662, 22857), (12993, 15238)]