66816688

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:629

約数の個数: 40

約数和(自身を含む): 132559472

約数和(自身を除く): 65742784

約数列:

[1, 2, 4, 8, 16, 67, 134, 157, 268, 314, 397, 536, 628, 794, 1072, 1256, 1588, 2512, 3176, 6352, 10519, 21038, 26599, 42076, 53198, 62329, 84152, 106396, 124658, 168304, 212792, 249316, 425584, 498632, 997264, 4176043, 8352086, 16704172, 33408344, 66816688]

約数ペア:

[(1, 66816688), (2, 33408344), (4, 16704172), (8, 8352086), (16, 4176043), (67, 997264), (134, 498632), (157, 425584), (268, 249316), (314, 212792), (397, 168304), (536, 124658), (628, 106396), (794, 84152), (1072, 62329), (1256, 53198), (1588, 42076), (2512, 26599), (3176, 21038), (6352, 10519)]