405942056

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{1423}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 828682560

約数和(自身を除く): 422740504

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 211, 338, 422, 676, 844, 1352, 1423, 1688, 2743, 2846, 5486, 5692, 10972, 11384, 18499, 21944, 35659, 36998, 71318, 73996, 142636, 147992, 240487, 285272, 300253, 480974, 600506, 961948, 1201012, 1923896, 2402024, 3903289, 7806578, 15613156, 31226312, 50742757, 101485514, 202971028, 405942056]

約数ペア:

[(1, 405942056), (2, 202971028), (4, 101485514), (8, 50742757), (13, 31226312), (26, 15613156), (52, 7806578), (104, 3903289), (169, 2402024), (211, 1923896), (338, 1201012), (422, 961948), (676, 600506), (844, 480974), (1352, 300253), (1423, 285272), (1688, 240487), (2743, 147992), (2846, 142636), (5486, 73996), (5692, 71318), (10972, 36998), (11384, 35659), (18499, 21944)]