81961528

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 170117640

約数和(自身を除く): 88156112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 227, 242, 373, 454, 484, 746, 908, 968, 1492, 1816, 2497, 2984, 4103, 4994, 8206, 9988, 16412, 19976, 27467, 32824, 45133, 54934, 84671, 90266, 109868, 169342, 180532, 219736, 338684, 361064, 677368, 931381, 1862762, 3725524, 7451048, 10245191, 20490382, 40980764, 81961528]

約数ペア:

[(1, 81961528), (2, 40980764), (4, 20490382), (8, 10245191), (11, 7451048), (22, 3725524), (44, 1862762), (88, 931381), (121, 677368), (227, 361064), (242, 338684), (373, 219736), (454, 180532), (484, 169342), (746, 109868), (908, 90266), (968, 84671), (1492, 54934), (1816, 45133), (2497, 32824), (2984, 27467), (4103, 19976), (4994, 16412), (8206, 9988)]