51801248

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 106767360

約数和(自身を除く): 54966112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 248, 316, 496, 632, 661, 992, 1264, 1322, 2449, 2528, 2644, 4898, 5288, 9796, 10576, 19592, 20491, 21152, 39184, 40982, 52219, 78368, 81964, 104438, 163928, 208876, 327856, 417752, 655712, 835504, 1618789, 1671008, 3237578, 6475156, 12950312, 25900624, 51801248]

約数ペア:

[(1, 51801248), (2, 25900624), (4, 12950312), (8, 6475156), (16, 3237578), (31, 1671008), (32, 1618789), (62, 835504), (79, 655712), (124, 417752), (158, 327856), (248, 208876), (316, 163928), (496, 104438), (632, 81964), (661, 78368), (992, 52219), (1264, 40982), (1322, 39184), (2449, 21152), (2528, 20491), (2644, 19592), (4898, 10576), (5288, 9796)]