28625272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 61094880

約数和(自身を除く): 32469608

約数列:

[1, 2, 4, 8, 13, 26, 37, 43, 52, 74, 86, 104, 148, 172, 173, 296, 344, 346, 481, 559, 692, 962, 1118, 1384, 1591, 1924, 2236, 2249, 3182, 3848, 4472, 4498, 6364, 6401, 7439, 8996, 12728, 12802, 14878, 17992, 20683, 25604, 29756, 41366, 51208, 59512, 82732, 83213, 96707, 165464, 166426, 193414, 275243, 332852, 386828, 550486, 665704, 773656, 1100972, 2201944, 3578159, 7156318, 14312636, 28625272]

約数ペア:

[(1, 28625272), (2, 14312636), (4, 7156318), (8, 3578159), (13, 2201944), (26, 1100972), (37, 773656), (43, 665704), (52, 550486), (74, 386828), (86, 332852), (104, 275243), (148, 193414), (172, 166426), (173, 165464), (296, 96707), (344, 83213), (346, 82732), (481, 59512), (559, 51208), (692, 41366), (962, 29756), (1118, 25604), (1384, 20683), (1591, 17992), (1924, 14878), (2236, 12802), (2249, 12728), (3182, 8996), (3848, 7439), (4472, 6401), (4498, 6364)]