690064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 1473120

約数和(自身を除く): 783056

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 59, 68, 86, 118, 136, 172, 236, 272, 344, 472, 688, 731, 944, 1003, 1462, 2006, 2537, 2924, 4012, 5074, 5848, 8024, 10148, 11696, 16048, 20296, 40592, 43129, 86258, 172516, 345032, 690064]

約数ペア:

[(1, 690064), (2, 345032), (4, 172516), (8, 86258), (16, 43129), (17, 40592), (34, 20296), (43, 16048), (59, 11696), (68, 10148), (86, 8024), (118, 5848), (136, 5074), (172, 4012), (236, 2924), (272, 2537), (344, 2006), (472, 1462), (688, 1003), (731, 944)]