39191425

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 64120896

約数和(自身を除く): 24929471

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 107, 115, 161, 175, 245, 299, 325, 455, 535, 575, 637, 749, 805, 1127, 1225, 1391, 1495, 2093, 2275, 2461, 2675, 3185, 3745, 4025, 5243, 5635, 6955, 7475, 9737, 10465, 12305, 14651, 15925, 17227, 18725, 26215, 28175, 31993, 34775, 48685, 52325, 61525, 68159, 73255, 86135, 120589, 131075, 159965, 223951, 243425, 340795, 366275, 430675, 602945, 799825, 1119755, 1567657, 1703975, 3014725, 5598775, 7838285, 39191425]

約数ペア:

[(1, 39191425), (5, 7838285), (7, 5598775), (13, 3014725), (23, 1703975), (25, 1567657), (35, 1119755), (49, 799825), (65, 602945), (91, 430675), (107, 366275), (115, 340795), (161, 243425), (175, 223951), (245, 159965), (299, 131075), (325, 120589), (455, 86135), (535, 73255), (575, 68159), (637, 61525), (749, 52325), (805, 48685), (1127, 34775), (1225, 31993), (1391, 28175), (1495, 26215), (2093, 18725), (2275, 17227), (2461, 15925), (2675, 14651), (3185, 12305), (3745, 10465), (4025, 9737), (5243, 7475), (5635, 6955)]