987321325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 1350342144

約数和(自身を除く): 363020819

約数列:

[1, 5, 17, 25, 31, 85, 137, 155, 425, 527, 547, 685, 775, 2329, 2635, 2735, 3425, 4247, 9299, 11645, 13175, 13675, 16957, 21235, 46495, 58225, 72199, 74939, 84785, 106175, 232475, 288269, 360995, 374695, 423925, 1273963, 1441345, 1804975, 1873475, 2323109, 6369815, 7206725, 11615545, 31849075, 39492853, 58077725, 197464265, 987321325]

約数ペア:

[(1, 987321325), (5, 197464265), (17, 58077725), (25, 39492853), (31, 31849075), (85, 11615545), (137, 7206725), (155, 6369815), (425, 2323109), (527, 1873475), (547, 1804975), (685, 1441345), (775, 1273963), (2329, 423925), (2635, 374695), (2735, 360995), (3425, 288269), (4247, 232475), (9299, 106175), (11645, 84785), (13175, 74939), (13675, 72199), (16957, 58225), (21235, 46495)]