28617784

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 59226120

約数和(自身を除く): 30608336

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 169, 244, 338, 347, 488, 676, 694, 793, 1352, 1388, 1586, 2776, 3172, 4511, 6344, 9022, 10309, 18044, 20618, 21167, 36088, 41236, 42334, 58643, 82472, 84668, 117286, 169336, 234572, 275171, 469144, 550342, 1100684, 2201368, 3577223, 7154446, 14308892, 28617784]

約数ペア:

[(1, 28617784), (2, 14308892), (4, 7154446), (8, 3577223), (13, 2201368), (26, 1100684), (52, 550342), (61, 469144), (104, 275171), (122, 234572), (169, 169336), (244, 117286), (338, 84668), (347, 82472), (488, 58643), (676, 42334), (694, 41236), (793, 36088), (1352, 21167), (1388, 20618), (1586, 18044), (2776, 10309), (3172, 9022), (4511, 6344)]