201431768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{2699}}^1$

素因数の和:3215

約数の個数: 32

約数和(自身を含む): 398520000

約数和(自身を除く): 197088232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 491, 982, 1964, 2699, 3928, 5398, 9329, 10796, 18658, 21592, 37316, 51281, 74632, 102562, 205124, 410248, 1325209, 2650418, 5300836, 10601672, 25178971, 50357942, 100715884, 201431768]

約数ペア:

[(1, 201431768), (2, 100715884), (4, 50357942), (8, 25178971), (19, 10601672), (38, 5300836), (76, 2650418), (152, 1325209), (491, 410248), (982, 205124), (1964, 102562), (2699, 74632), (3928, 51281), (5398, 37316), (9329, 21592), (10796, 18658)]