25398972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 68664960

約数和(自身を除く): 43265988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 426, 523, 639, 684, 852, 1046, 1278, 1349, 1569, 2092, 2556, 2698, 3138, 4047, 4707, 5396, 6276, 8094, 9414, 9937, 12141, 16188, 18828, 19874, 24282, 29811, 37133, 39748, 48564, 59622, 74266, 89433, 111399, 119244, 148532, 178866, 222798, 334197, 357732, 445596, 668394, 705527, 1336788, 1411054, 2116581, 2822108, 4233162, 6349743, 8466324, 12699486, 25398972]

約数ペア:

[(1, 25398972), (2, 12699486), (3, 8466324), (4, 6349743), (6, 4233162), (9, 2822108), (12, 2116581), (18, 1411054), (19, 1336788), (36, 705527), (38, 668394), (57, 445596), (71, 357732), (76, 334197), (114, 222798), (142, 178866), (171, 148532), (213, 119244), (228, 111399), (284, 89433), (342, 74266), (426, 59622), (523, 48564), (639, 39748), (684, 37133), (852, 29811), (1046, 24282), (1278, 19874), (1349, 18828), (1569, 16188), (2092, 12141), (2556, 9937), (2698, 9414), (3138, 8094), (4047, 6276), (4707, 5396)]