978928

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 2075760

約数和(自身を除く): 1096832

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 61, 68, 118, 122, 136, 236, 244, 272, 472, 488, 944, 976, 1003, 1037, 2006, 2074, 3599, 4012, 4148, 7198, 8024, 8296, 14396, 16048, 16592, 28792, 57584, 61183, 122366, 244732, 489464, 978928]

約数ペア:

[(1, 978928), (2, 489464), (4, 244732), (8, 122366), (16, 61183), (17, 57584), (34, 28792), (59, 16592), (61, 16048), (68, 14396), (118, 8296), (122, 8024), (136, 7198), (236, 4148), (244, 4012), (272, 3599), (472, 2074), (488, 2006), (944, 1037), (976, 1003)]