28379384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 61102080

約数和(自身を除く): 32722696

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 101, 103, 124, 202, 206, 248, 341, 404, 412, 682, 808, 824, 1111, 1133, 1364, 2222, 2266, 2728, 3131, 3193, 4444, 4532, 6262, 6386, 8888, 9064, 10403, 12524, 12772, 20806, 25048, 25544, 34441, 35123, 41612, 68882, 70246, 83224, 114433, 137764, 140492, 228866, 275528, 280984, 322493, 457732, 644986, 915464, 1289972, 2579944, 3547423, 7094846, 14189692, 28379384]

約数ペア:

[(1, 28379384), (2, 14189692), (4, 7094846), (8, 3547423), (11, 2579944), (22, 1289972), (31, 915464), (44, 644986), (62, 457732), (88, 322493), (101, 280984), (103, 275528), (124, 228866), (202, 140492), (206, 137764), (248, 114433), (341, 83224), (404, 70246), (412, 68882), (682, 41612), (808, 35123), (824, 34441), (1111, 25544), (1133, 25048), (1364, 20806), (2222, 12772), (2266, 12524), (2728, 10403), (3131, 9064), (3193, 8888), (4444, 6386), (4532, 6262)]