18766826065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1033}}^1$

素因数の和:1510

約数の個数: 64

約数和(自身を含む): 26396580672

約数和(自身を除く): 7629754607

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 401, 533, 697, 1033, 1105, 2005, 2665, 3485, 5165, 5213, 6817, 9061, 13429, 16441, 17561, 26065, 34085, 42353, 45305, 67145, 82205, 87805, 88621, 211765, 213733, 228293, 279497, 414233, 443105, 550589, 720001, 1068665, 1141465, 1397485, 2071165, 2752945, 3600005, 3633461, 5385029, 7041961, 9360013, 16983553, 18167305, 26925145, 35209805, 46800065, 84917765, 91545493, 220786189, 288720401, 457727465, 1103930945, 1443602005, 3753365213, 18766826065]

約数ペア:

[(1, 18766826065), (5, 3753365213), (13, 1443602005), (17, 1103930945), (41, 457727465), (65, 288720401), (85, 220786189), (205, 91545493), (221, 84917765), (401, 46800065), (533, 35209805), (697, 26925145), (1033, 18167305), (1105, 16983553), (2005, 9360013), (2665, 7041961), (3485, 5385029), (5165, 3633461), (5213, 3600005), (6817, 2752945), (9061, 2071165), (13429, 1397485), (16441, 1141465), (17561, 1068665), (26065, 720001), (34085, 550589), (42353, 443105), (45305, 414233), (67145, 279497), (82205, 228293), (87805, 213733), (88621, 211765)]