248183908

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 507838464

約数和(自身を除く): 259654556

約数列:

[1, 2, 4, 7, 14, 28, 71, 127, 142, 254, 284, 497, 508, 889, 983, 994, 1778, 1966, 1988, 3556, 3932, 6881, 9017, 13762, 18034, 27524, 36068, 63119, 69793, 124841, 126238, 139586, 249682, 252476, 279172, 488551, 499364, 873887, 977102, 1747774, 1954204, 3495548, 8863711, 17727422, 35454844, 62045977, 124091954, 248183908]

約数ペア:

[(1, 248183908), (2, 124091954), (4, 62045977), (7, 35454844), (14, 17727422), (28, 8863711), (71, 3495548), (127, 1954204), (142, 1747774), (254, 977102), (284, 873887), (497, 499364), (508, 488551), (889, 279172), (983, 252476), (994, 249682), (1778, 139586), (1966, 126238), (1988, 124841), (3556, 69793), (3932, 63119), (6881, 36068), (9017, 27524), (13762, 18034)]