197971004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 441874944

約数和(自身を除く): 243903940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 121, 142, 154, 242, 284, 308, 484, 497, 781, 823, 847, 994, 1562, 1646, 1694, 1988, 3124, 3292, 3388, 5467, 5761, 8591, 9053, 10934, 11522, 17182, 18106, 21868, 23044, 34364, 36212, 58433, 60137, 63371, 99583, 116866, 120274, 126742, 199166, 233732, 240548, 253484, 398332, 409031, 642763, 697081, 818062, 1285526, 1394162, 1636124, 2571052, 2788324, 4499341, 7070393, 8998682, 14140786, 17997364, 28281572, 49492751, 98985502, 197971004]

約数ペア:

[(1, 197971004), (2, 98985502), (4, 49492751), (7, 28281572), (11, 17997364), (14, 14140786), (22, 8998682), (28, 7070393), (44, 4499341), (71, 2788324), (77, 2571052), (121, 1636124), (142, 1394162), (154, 1285526), (242, 818062), (284, 697081), (308, 642763), (484, 409031), (497, 398332), (781, 253484), (823, 240548), (847, 233732), (994, 199166), (1562, 126742), (1646, 120274), (1694, 116866), (1988, 99583), (3124, 63371), (3292, 60137), (3388, 58433), (5467, 36212), (5761, 34364), (8591, 23044), (9053, 21868), (10934, 18106), (11522, 17182)]