61878488

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 74979112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 79, 142, 158, 197, 284, 316, 394, 497, 553, 568, 632, 788, 994, 1106, 1379, 1576, 1988, 2212, 2758, 3976, 4424, 5516, 5609, 11032, 11218, 13987, 15563, 22436, 27974, 31126, 39263, 44872, 55948, 62252, 78526, 97909, 108941, 111896, 124504, 157052, 195818, 217882, 314104, 391636, 435764, 783272, 871528, 1104973, 2209946, 4419892, 7734811, 8839784, 15469622, 30939244, 61878488]

約数ペア:

[(1, 61878488), (2, 30939244), (4, 15469622), (7, 8839784), (8, 7734811), (14, 4419892), (28, 2209946), (56, 1104973), (71, 871528), (79, 783272), (142, 435764), (158, 391636), (197, 314104), (284, 217882), (316, 195818), (394, 157052), (497, 124504), (553, 111896), (568, 108941), (632, 97909), (788, 78526), (994, 62252), (1106, 55948), (1379, 44872), (1576, 39263), (1988, 31126), (2212, 27974), (2758, 22436), (3976, 15563), (4424, 13987), (5516, 11218), (5609, 11032)]