198498625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 286820352

約数和(自身を除く): 88321727

約数列:

[1, 5, 13, 23, 25, 47, 65, 113, 115, 125, 235, 299, 325, 565, 575, 611, 1081, 1175, 1469, 1495, 1625, 2599, 2825, 2875, 3055, 5311, 5405, 5875, 7345, 7475, 12995, 14053, 14125, 15275, 26555, 27025, 33787, 36725, 37375, 64975, 69043, 70265, 76375, 122153, 132775, 135125, 168935, 183625, 324875, 345215, 351325, 610765, 663875, 844675, 1587989, 1726075, 1756625, 3053825, 4223375, 7939945, 8630375, 15269125, 39699725, 198498625]

約数ペア:

[(1, 198498625), (5, 39699725), (13, 15269125), (23, 8630375), (25, 7939945), (47, 4223375), (65, 3053825), (113, 1756625), (115, 1726075), (125, 1587989), (235, 844675), (299, 663875), (325, 610765), (565, 351325), (575, 345215), (611, 324875), (1081, 183625), (1175, 168935), (1469, 135125), (1495, 132775), (1625, 122153), (2599, 76375), (2825, 70265), (2875, 69043), (3055, 64975), (5311, 37375), (5405, 36725), (5875, 33787), (7345, 27025), (7475, 26555), (12995, 15275), (14053, 14125)]