87129212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 165876480

約数和(自身を除く): 78747268

約数列:

[1, 2, 4, 19, 38, 67, 71, 76, 134, 142, 241, 268, 284, 482, 964, 1273, 1349, 2546, 2698, 4579, 4757, 5092, 5396, 9158, 9514, 16147, 17111, 18316, 19028, 32294, 34222, 64588, 68444, 90383, 180766, 306793, 325109, 361532, 613586, 650218, 1146437, 1227172, 1300436, 2292874, 4585748, 21782303, 43564606, 87129212]

約数ペア:

[(1, 87129212), (2, 43564606), (4, 21782303), (19, 4585748), (38, 2292874), (67, 1300436), (71, 1227172), (76, 1146437), (134, 650218), (142, 613586), (241, 361532), (268, 325109), (284, 306793), (482, 180766), (964, 90383), (1273, 68444), (1349, 64588), (2546, 34222), (2698, 32294), (4579, 19028), (4757, 18316), (5092, 17111), (5396, 16147), (9158, 9514)]