163965425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 236234880

約数和(自身を除く): 72269455

約数列:

[1, 5, 13, 17, 25, 59, 65, 85, 221, 295, 325, 425, 503, 767, 1003, 1105, 1475, 2515, 3835, 5015, 5525, 6539, 8551, 12575, 13039, 19175, 25075, 29677, 32695, 42755, 65195, 111163, 148385, 163475, 213775, 325975, 385801, 504509, 555815, 741925, 1929005, 2522545, 2779075, 6558617, 9645025, 12612725, 32793085, 163965425]

約数ペア:

[(1, 163965425), (5, 32793085), (13, 12612725), (17, 9645025), (25, 6558617), (59, 2779075), (65, 2522545), (85, 1929005), (221, 741925), (295, 555815), (325, 504509), (425, 385801), (503, 325975), (767, 213775), (1003, 163475), (1105, 148385), (1475, 111163), (2515, 65195), (3835, 42755), (5015, 32695), (5525, 29677), (6539, 25075), (8551, 19175), (12575, 13039)]