87780184

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 167871600

約数和(自身を除く): 80091416

約数列:

[1, 2, 4, 8, 67, 134, 268, 389, 421, 536, 778, 842, 1556, 1684, 3112, 3368, 26063, 28207, 52126, 56414, 104252, 112828, 163769, 208504, 225656, 327538, 655076, 1310152, 10972523, 21945046, 43890092, 87780184]

約数ペア:

[(1, 87780184), (2, 43890092), (4, 21945046), (8, 10972523), (67, 1310152), (134, 655076), (268, 327538), (389, 225656), (421, 208504), (536, 163769), (778, 112828), (842, 104252), (1556, 56414), (1684, 52126), (3112, 28207), (3368, 26063)]