287987142

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{911}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 630374400

約数和(自身を除く): 342387258

約数列:

[1, 2, 3, 6, 19, 38, 47, 57, 59, 94, 114, 118, 141, 177, 282, 354, 893, 911, 1121, 1786, 1822, 2242, 2679, 2733, 2773, 3363, 5358, 5466, 5546, 6726, 8319, 16638, 17309, 34618, 42817, 51927, 52687, 53749, 85634, 103854, 105374, 107498, 128451, 158061, 161247, 256902, 316122, 322494, 813523, 1021231, 1627046, 2042462, 2440569, 2526203, 3063693, 4881138, 5052406, 6127386, 7578609, 15157218, 47997857, 95995714, 143993571, 287987142]

約数ペア:

[(1, 287987142), (2, 143993571), (3, 95995714), (6, 47997857), (19, 15157218), (38, 7578609), (47, 6127386), (57, 5052406), (59, 4881138), (94, 3063693), (114, 2526203), (118, 2440569), (141, 2042462), (177, 1627046), (282, 1021231), (354, 813523), (893, 322494), (911, 316122), (1121, 256902), (1786, 161247), (1822, 158061), (2242, 128451), (2679, 107498), (2733, 105374), (2773, 103854), (3363, 85634), (5358, 53749), (5466, 52687), (5546, 51927), (6726, 42817), (8319, 34618), (16638, 17309)]