393266978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 691891200

約数和(自身を除く): 298624222

約数列:

[1, 2, 13, 19, 26, 38, 59, 103, 118, 131, 206, 247, 262, 494, 767, 1121, 1339, 1534, 1703, 1957, 2242, 2489, 2678, 3406, 3914, 4978, 6077, 7729, 12154, 13493, 14573, 15458, 25441, 26986, 29146, 32357, 50882, 64714, 79001, 100477, 115463, 146851, 158002, 175409, 200954, 230926, 256367, 293702, 350818, 512734, 796087, 1501019, 1592174, 1909063, 3002038, 3332771, 3818126, 6665542, 10349131, 15125653, 20698262, 30251306, 196633489, 393266978]

約数ペア:

[(1, 393266978), (2, 196633489), (13, 30251306), (19, 20698262), (26, 15125653), (38, 10349131), (59, 6665542), (103, 3818126), (118, 3332771), (131, 3002038), (206, 1909063), (247, 1592174), (262, 1501019), (494, 796087), (767, 512734), (1121, 350818), (1339, 293702), (1534, 256367), (1703, 230926), (1957, 200954), (2242, 175409), (2489, 158002), (2678, 146851), (3406, 115463), (3914, 100477), (4978, 79001), (6077, 64714), (7729, 50882), (12154, 32357), (13493, 29146), (14573, 26986), (15458, 25441)]