28131488

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^1\times {\mathrm{233}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 42630112

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 233, 308, 343, 352, 392, 466, 539, 616, 686, 784, 932, 1078, 1232, 1372, 1568, 1631, 1864, 2156, 2464, 2563, 2744, 3262, 3728, 3773, 4312, 5126, 5488, 6524, 7456, 7546, 8624, 10252, 10976, 11417, 13048, 15092, 17248, 17941, 20504, 22834, 26096, 30184, 35882, 41008, 45668, 52192, 60368, 71764, 79919, 82016, 91336, 120736, 125587, 143528, 159838, 182672, 251174, 287056, 319676, 365344, 502348, 574112, 639352, 879109, 1004696, 1278704, 1758218, 2009392, 2557408, 3516436, 4018784, 7032872, 14065744, 28131488]

約数ペア:

[(1, 28131488), (2, 14065744), (4, 7032872), (7, 4018784), (8, 3516436), (11, 2557408), (14, 2009392), (16, 1758218), (22, 1278704), (28, 1004696), (32, 879109), (44, 639352), (49, 574112), (56, 502348), (77, 365344), (88, 319676), (98, 287056), (112, 251174), (154, 182672), (176, 159838), (196, 143528), (224, 125587), (233, 120736), (308, 91336), (343, 82016), (352, 79919), (392, 71764), (466, 60368), (539, 52192), (616, 45668), (686, 41008), (784, 35882), (932, 30184), (1078, 26096), (1232, 22834), (1372, 20504), (1568, 17941), (1631, 17248), (1864, 15092), (2156, 13048), (2464, 11417), (2563, 10976), (2744, 10252), (3262, 8624), (3728, 7546), (3773, 7456), (4312, 6524), (5126, 5488)]