1217657788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 2272596480

約数和(自身を除く): 1054938692

約数列:

[1, 2, 4, 19, 38, 76, 167, 197, 334, 394, 487, 668, 788, 974, 1948, 3173, 3743, 6346, 7486, 9253, 12692, 14972, 18506, 32899, 37012, 65798, 81329, 95939, 131596, 162658, 191878, 325316, 383756, 625081, 1250162, 1545251, 1822841, 2500324, 3090502, 3645682, 6181004, 7291364, 16021813, 32043626, 64087252, 304414447, 608828894, 1217657788]

約数ペア:

[(1, 1217657788), (2, 608828894), (4, 304414447), (19, 64087252), (38, 32043626), (76, 16021813), (167, 7291364), (197, 6181004), (334, 3645682), (394, 3090502), (487, 2500324), (668, 1822841), (788, 1545251), (974, 1250162), (1948, 625081), (3173, 383756), (3743, 325316), (6346, 191878), (7486, 162658), (9253, 131596), (12692, 95939), (14972, 81329), (18506, 65798), (32899, 37012)]