221424456

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:619

約数の個数: 128

約数和(自身を含む): 646963200

約数和(自身を除く): 425538744

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 103, 132, 136, 187, 204, 206, 264, 309, 374, 408, 412, 479, 561, 618, 748, 824, 958, 1122, 1133, 1236, 1437, 1496, 1751, 1916, 2244, 2266, 2472, 2874, 3399, 3502, 3832, 4488, 4532, 5253, 5269, 5748, 6798, 7004, 8143, 9064, 10506, 10538, 11496, 13596, 14008, 15807, 16286, 19261, 21012, 21076, 24429, 27192, 31614, 32572, 38522, 42024, 42152, 48858, 49337, 57783, 63228, 65144, 77044, 89573, 97716, 98674, 115566, 126456, 148011, 154088, 179146, 195432, 197348, 231132, 268719, 296022, 358292, 394696, 462264, 537438, 542707, 592044, 716584, 838729, 1074876, 1085414, 1184088, 1628121, 1677458, 2149752, 2170828, 2516187, 3256242, 3354916, 4341656, 5032374, 6512484, 6709832, 9226019, 10064748, 13024968, 18452038, 20129496, 27678057, 36904076, 55356114, 73808152, 110712228, 221424456]

約数ペア:

[(1, 221424456), (2, 110712228), (3, 73808152), (4, 55356114), (6, 36904076), (8, 27678057), (11, 20129496), (12, 18452038), (17, 13024968), (22, 10064748), (24, 9226019), (33, 6709832), (34, 6512484), (44, 5032374), (51, 4341656), (66, 3354916), (68, 3256242), (88, 2516187), (102, 2170828), (103, 2149752), (132, 1677458), (136, 1628121), (187, 1184088), (204, 1085414), (206, 1074876), (264, 838729), (309, 716584), (374, 592044), (408, 542707), (412, 537438), (479, 462264), (561, 394696), (618, 358292), (748, 296022), (824, 268719), (958, 231132), (1122, 197348), (1133, 195432), (1236, 179146), (1437, 154088), (1496, 148011), (1751, 126456), (1916, 115566), (2244, 98674), (2266, 97716), (2472, 89573), (2874, 77044), (3399, 65144), (3502, 63228), (3832, 57783), (4488, 49337), (4532, 48858), (5253, 42152), (5269, 42024), (5748, 38522), (6798, 32572), (7004, 31614), (8143, 27192), (9064, 24429), (10506, 21076), (10538, 21012), (11496, 19261), (13596, 16286), (14008, 15807)]