219616516

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{21727}}^1$

素因数の和:21776

約数の個数: 36

約数和(自身を含む): 463588608

約数和(自身を除く): 243972092

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 21727, 43454, 86908, 152089, 304178, 412813, 608356, 825626, 1651252, 2889691, 5779382, 7843447, 11558764, 15686894, 31373788, 54904129, 109808258, 219616516]

約数ペア:

[(1, 219616516), (2, 109808258), (4, 54904129), (7, 31373788), (14, 15686894), (19, 11558764), (28, 7843447), (38, 5779382), (76, 2889691), (133, 1651252), (266, 825626), (361, 608356), (532, 412813), (722, 304178), (1444, 152089), (2527, 86908), (5054, 43454), (10108, 21727)]