281320494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4057}}^1$

素因数の和:4209

約数の個数: 64

約数和(自身を含む): 698105856

約数和(自身を除く): 416785362

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 127, 182, 254, 273, 381, 546, 762, 889, 1651, 1778, 2667, 3302, 4057, 4953, 5334, 8114, 9906, 11557, 12171, 23114, 24342, 28399, 34671, 52741, 56798, 69342, 85197, 105482, 158223, 170394, 316446, 369187, 515239, 738374, 1030478, 1107561, 1545717, 2215122, 3091434, 3606673, 6698107, 7213346, 10820019, 13396214, 20094321, 21640038, 40188642, 46886749, 93773498, 140660247, 281320494]

約数ペア:

[(1, 281320494), (2, 140660247), (3, 93773498), (6, 46886749), (7, 40188642), (13, 21640038), (14, 20094321), (21, 13396214), (26, 10820019), (39, 7213346), (42, 6698107), (78, 3606673), (91, 3091434), (127, 2215122), (182, 1545717), (254, 1107561), (273, 1030478), (381, 738374), (546, 515239), (762, 369187), (889, 316446), (1651, 170394), (1778, 158223), (2667, 105482), (3302, 85197), (4057, 69342), (4953, 56798), (5334, 52741), (8114, 34671), (9906, 28399), (11557, 24342), (12171, 23114)]