258410256

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2081}}^1$

素因数の和:2304

約数の個数: 80

約数和(自身を含む): 722870400

約数和(自身を除く): 464460144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 199, 208, 312, 398, 597, 624, 796, 1194, 1592, 2081, 2388, 2587, 3184, 4162, 4776, 5174, 6243, 7761, 8324, 9552, 10348, 12486, 15522, 16648, 20696, 24972, 27053, 31044, 33296, 41392, 49944, 54106, 62088, 81159, 99888, 108212, 124176, 162318, 216424, 324636, 414119, 432848, 649272, 828238, 1242357, 1298544, 1656476, 2484714, 3312952, 4969428, 5383547, 6625904, 9938856, 10767094, 16150641, 19877712, 21534188, 32301282, 43068376, 64602564, 86136752, 129205128, 258410256]

約数ペア:

[(1, 258410256), (2, 129205128), (3, 86136752), (4, 64602564), (6, 43068376), (8, 32301282), (12, 21534188), (13, 19877712), (16, 16150641), (24, 10767094), (26, 9938856), (39, 6625904), (48, 5383547), (52, 4969428), (78, 3312952), (104, 2484714), (156, 1656476), (199, 1298544), (208, 1242357), (312, 828238), (398, 649272), (597, 432848), (624, 414119), (796, 324636), (1194, 216424), (1592, 162318), (2081, 124176), (2388, 108212), (2587, 99888), (3184, 81159), (4162, 62088), (4776, 54106), (5174, 49944), (6243, 41392), (7761, 33296), (8324, 31044), (9552, 27053), (10348, 24972), (12486, 20696), (15522, 16648)]