66773525

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 104160000

約数和(自身を除く): 37386475

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 343, 455, 599, 637, 1225, 1715, 2275, 2995, 3185, 4193, 4459, 7787, 8575, 14975, 15925, 20965, 22295, 29351, 38935, 54509, 104825, 111475, 146755, 194675, 205457, 272545, 381563, 733775, 1027285, 1362725, 1907815, 2670941, 5136425, 9539075, 13354705, 66773525]

約数ペア:

[(1, 66773525), (5, 13354705), (7, 9539075), (13, 5136425), (25, 2670941), (35, 1907815), (49, 1362725), (65, 1027285), (91, 733775), (175, 381563), (245, 272545), (325, 205457), (343, 194675), (455, 146755), (599, 111475), (637, 104825), (1225, 54509), (1715, 38935), (2275, 29351), (2995, 22295), (3185, 20965), (4193, 15925), (4459, 14975), (7787, 8575)]