397026175

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 625178736

約数和(自身を除く): 228152561

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 107, 175, 233, 245, 325, 455, 535, 637, 749, 1165, 1225, 1391, 1631, 2275, 2675, 3029, 3185, 3745, 5243, 5825, 6955, 8155, 9737, 11417, 15145, 15925, 18725, 21203, 24931, 26215, 34775, 40775, 48685, 57085, 68159, 75725, 106015, 124655, 131075, 148421, 174517, 243425, 285425, 324103, 340795, 530075, 623275, 742105, 872585, 1221619, 1620515, 1703975, 2268721, 3710525, 4362925, 6108095, 8102575, 11343605, 15881047, 30540475, 56718025, 79405235, 397026175]

約数ペア:

[(1, 397026175), (5, 79405235), (7, 56718025), (13, 30540475), (25, 15881047), (35, 11343605), (49, 8102575), (65, 6108095), (91, 4362925), (107, 3710525), (175, 2268721), (233, 1703975), (245, 1620515), (325, 1221619), (455, 872585), (535, 742105), (637, 623275), (749, 530075), (1165, 340795), (1225, 324103), (1391, 285425), (1631, 243425), (2275, 174517), (2675, 148421), (3029, 131075), (3185, 124655), (3745, 106015), (5243, 75725), (5825, 68159), (6955, 57085), (8155, 48685), (9737, 40775), (11417, 34775), (15145, 26215), (15925, 24931), (18725, 21203)]