261522016

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9811}}^1$

素因数の和:9852

約数の個数: 72

約数和(自身を含む): 634228056

約数和(自身を除く): 372706040

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 9811, 13328, 19622, 26656, 39244, 68677, 78488, 137354, 156976, 166787, 274708, 313952, 333574, 480739, 549416, 667148, 961478, 1098832, 1167509, 1334296, 1922956, 2197664, 2335018, 2668592, 3845912, 4670036, 5337184, 7691824, 8172563, 9340072, 15383648, 16345126, 18680144, 32690252, 37360288, 65380504, 130761008, 261522016]

約数ペア:

[(1, 261522016), (2, 130761008), (4, 65380504), (7, 37360288), (8, 32690252), (14, 18680144), (16, 16345126), (17, 15383648), (28, 9340072), (32, 8172563), (34, 7691824), (49, 5337184), (56, 4670036), (68, 3845912), (98, 2668592), (112, 2335018), (119, 2197664), (136, 1922956), (196, 1334296), (224, 1167509), (238, 1098832), (272, 961478), (392, 667148), (476, 549416), (544, 480739), (784, 333574), (833, 313952), (952, 274708), (1568, 166787), (1666, 156976), (1904, 137354), (3332, 78488), (3808, 68677), (6664, 39244), (9811, 26656), (13328, 19622)]