398793412

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 790969536

約数和(自身を除く): 392176124

約数列:

[1, 2, 4, 17, 23, 34, 46, 53, 68, 92, 106, 212, 283, 289, 391, 566, 578, 782, 901, 1132, 1156, 1219, 1564, 1802, 2438, 3604, 4811, 4876, 6509, 6647, 9622, 13018, 13294, 14999, 15317, 19244, 20723, 26036, 26588, 29998, 30634, 41446, 59996, 61268, 81787, 82892, 110653, 163574, 221306, 254983, 327148, 344977, 352291, 442612, 509966, 689954, 704582, 1019932, 1379908, 1409164, 1881101, 3762202, 4334711, 5864609, 7524404, 8669422, 11729218, 17338844, 23458436, 99698353, 199396706, 398793412]

約数ペア:

[(1, 398793412), (2, 199396706), (4, 99698353), (17, 23458436), (23, 17338844), (34, 11729218), (46, 8669422), (53, 7524404), (68, 5864609), (92, 4334711), (106, 3762202), (212, 1881101), (283, 1409164), (289, 1379908), (391, 1019932), (566, 704582), (578, 689954), (782, 509966), (901, 442612), (1132, 352291), (1156, 344977), (1219, 327148), (1564, 254983), (1802, 221306), (2438, 163574), (3604, 110653), (4811, 82892), (4876, 81787), (6509, 61268), (6647, 59996), (9622, 41446), (13018, 30634), (13294, 29998), (14999, 26588), (15317, 26036), (19244, 20723)]