25935285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 21653835

約数列:

[1, 3, 5, 15, 17, 19, 51, 53, 57, 85, 95, 101, 159, 255, 265, 285, 303, 323, 505, 795, 901, 969, 1007, 1515, 1615, 1717, 1919, 2703, 3021, 4505, 4845, 5035, 5151, 5353, 5757, 8585, 9595, 13515, 15105, 16059, 17119, 25755, 26765, 28785, 32623, 51357, 80295, 85595, 91001, 97869, 101707, 163115, 256785, 273003, 305121, 455005, 489345, 508535, 1365015, 1525605, 1729019, 5187057, 8645095, 25935285]

約数ペア:

[(1, 25935285), (3, 8645095), (5, 5187057), (15, 1729019), (17, 1525605), (19, 1365015), (51, 508535), (53, 489345), (57, 455005), (85, 305121), (95, 273003), (101, 256785), (159, 163115), (255, 101707), (265, 97869), (285, 91001), (303, 85595), (323, 80295), (505, 51357), (795, 32623), (901, 28785), (969, 26765), (1007, 25755), (1515, 17119), (1615, 16059), (1717, 15105), (1919, 13515), (2703, 9595), (3021, 8585), (4505, 5757), (4845, 5353), (5035, 5151)]