821105428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{4801}}^1$

素因数の和:4865

約数の個数: 72

約数和(自身を含む): 1771592256

約数和(自身を除く): 950486828

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 169, 253, 286, 299, 338, 506, 572, 598, 676, 1012, 1196, 1859, 3289, 3718, 3887, 4801, 6578, 7436, 7774, 9602, 13156, 15548, 19204, 42757, 52811, 62413, 85514, 105622, 110423, 124826, 171028, 211244, 220846, 249652, 441692, 686543, 811369, 1214653, 1373086, 1435499, 1622738, 2429306, 2746172, 2870998, 3245476, 4858612, 5741996, 8925059, 15790489, 17850118, 18661487, 31580978, 35700236, 37322974, 63161956, 74645948, 205276357, 410552714, 821105428]

約数ペア:

[(1, 821105428), (2, 410552714), (4, 205276357), (11, 74645948), (13, 63161956), (22, 37322974), (23, 35700236), (26, 31580978), (44, 18661487), (46, 17850118), (52, 15790489), (92, 8925059), (143, 5741996), (169, 4858612), (253, 3245476), (286, 2870998), (299, 2746172), (338, 2429306), (506, 1622738), (572, 1435499), (598, 1373086), (676, 1214653), (1012, 811369), (1196, 686543), (1859, 441692), (3289, 249652), (3718, 220846), (3887, 211244), (4801, 171028), (6578, 124826), (7436, 110423), (7774, 105622), (9602, 85514), (13156, 62413), (15548, 52811), (19204, 42757)]