1285284884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 2516088960

約数和(自身を除く): 1230804076

約数列:

[1, 2, 4, 13, 26, 52, 61, 71, 122, 142, 169, 244, 284, 338, 439, 676, 793, 878, 923, 1586, 1756, 1846, 3172, 3692, 4331, 5707, 8662, 10309, 11414, 11999, 17324, 20618, 22828, 23998, 26779, 31169, 41236, 47996, 53558, 56303, 62338, 74191, 107116, 112606, 124676, 148382, 225212, 296764, 348127, 405197, 696254, 731939, 810394, 1392508, 1463878, 1620788, 1901309, 2927756, 3802618, 4525651, 5267561, 7605236, 9051302, 10535122, 18102604, 21070244, 24717017, 49434034, 98868068, 321321221, 642642442, 1285284884]

約数ペア:

[(1, 1285284884), (2, 642642442), (4, 321321221), (13, 98868068), (26, 49434034), (52, 24717017), (61, 21070244), (71, 18102604), (122, 10535122), (142, 9051302), (169, 7605236), (244, 5267561), (284, 4525651), (338, 3802618), (439, 2927756), (676, 1901309), (793, 1620788), (878, 1463878), (923, 1392508), (1586, 810394), (1756, 731939), (1846, 696254), (3172, 405197), (3692, 348127), (4331, 296764), (5707, 225212), (8662, 148382), (10309, 124676), (11414, 112606), (11999, 107116), (17324, 74191), (20618, 62338), (22828, 56303), (23998, 53558), (26779, 47996), (31169, 41236)]