291238948

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10391}}^1$

素因数の和:10433

約数の個数: 72

約数和(自身を含む): 696596544

約数和(自身を除く): 405357596

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 10391, 14014, 20782, 28028, 41564, 72737, 114301, 135083, 145474, 228602, 270166, 290948, 457204, 509159, 540332, 800107, 945581, 1018318, 1485913, 1600214, 1891162, 2036636, 2971826, 3200428, 3782324, 5600749, 5943652, 6619067, 10401391, 11201498, 13238134, 20802782, 22402996, 26476268, 41605564, 72809737, 145619474, 291238948]

約数ペア:

[(1, 291238948), (2, 145619474), (4, 72809737), (7, 41605564), (11, 26476268), (13, 22402996), (14, 20802782), (22, 13238134), (26, 11201498), (28, 10401391), (44, 6619067), (49, 5943652), (52, 5600749), (77, 3782324), (91, 3200428), (98, 2971826), (143, 2036636), (154, 1891162), (182, 1600214), (196, 1485913), (286, 1018318), (308, 945581), (364, 800107), (539, 540332), (572, 509159), (637, 457204), (1001, 290948), (1078, 270166), (1274, 228602), (2002, 145474), (2156, 135083), (2548, 114301), (4004, 72737), (7007, 41564), (10391, 28028), (14014, 20782)]