201771488

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1181}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 419988240

約数和(自身を除く): 218216752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 281, 304, 562, 608, 1124, 1181, 2248, 2362, 4496, 4724, 5339, 8992, 9448, 10678, 18896, 21356, 22439, 37792, 42712, 44878, 85424, 89756, 170848, 179512, 331861, 359024, 663722, 718048, 1327444, 2654888, 5309776, 6305359, 10619552, 12610718, 25221436, 50442872, 100885744, 201771488]

約数ペア:

[(1, 201771488), (2, 100885744), (4, 50442872), (8, 25221436), (16, 12610718), (19, 10619552), (32, 6305359), (38, 5309776), (76, 2654888), (152, 1327444), (281, 718048), (304, 663722), (562, 359024), (608, 331861), (1124, 179512), (1181, 170848), (2248, 89756), (2362, 85424), (4496, 44878), (4724, 42712), (5339, 37792), (8992, 22439), (9448, 21356), (10678, 18896)]