645519792

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 1691141760

約数和(自身を除く): 1045621968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 251, 262, 393, 409, 502, 524, 753, 786, 818, 1004, 1048, 1227, 1506, 1572, 1636, 2008, 2096, 2454, 3012, 3144, 3272, 4016, 4908, 6024, 6288, 6544, 9816, 12048, 19632, 32881, 53579, 65762, 98643, 102659, 107158, 131524, 160737, 197286, 205318, 214316, 263048, 307977, 321474, 394572, 410636, 428632, 526096, 615954, 642948, 789144, 821272, 857264, 1231908, 1285896, 1578288, 1642544, 2463816, 2571792, 4927632, 13448329, 26896658, 40344987, 53793316, 80689974, 107586632, 161379948, 215173264, 322759896, 645519792]

約数ペア:

[(1, 645519792), (2, 322759896), (3, 215173264), (4, 161379948), (6, 107586632), (8, 80689974), (12, 53793316), (16, 40344987), (24, 26896658), (48, 13448329), (131, 4927632), (251, 2571792), (262, 2463816), (393, 1642544), (409, 1578288), (502, 1285896), (524, 1231908), (753, 857264), (786, 821272), (818, 789144), (1004, 642948), (1048, 615954), (1227, 526096), (1506, 428632), (1572, 410636), (1636, 394572), (2008, 321474), (2096, 307977), (2454, 263048), (3012, 214316), (3144, 205318), (3272, 197286), (4016, 160737), (4908, 131524), (6024, 107158), (6288, 102659), (6544, 98643), (9816, 65762), (12048, 53579), (19632, 32881)]