65281048

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 144138240

約数和(自身を除く): 78857192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 127, 134, 137, 254, 268, 274, 469, 508, 536, 548, 889, 938, 959, 1016, 1096, 1778, 1876, 1918, 3556, 3752, 3836, 7112, 7672, 8509, 9179, 17018, 17399, 18358, 34036, 34798, 36716, 59563, 64253, 68072, 69596, 73432, 119126, 121793, 128506, 139192, 238252, 243586, 257012, 476504, 487172, 514024, 974344, 1165733, 2331466, 4662932, 8160131, 9325864, 16320262, 32640524, 65281048]

約数ペア:

[(1, 65281048), (2, 32640524), (4, 16320262), (7, 9325864), (8, 8160131), (14, 4662932), (28, 2331466), (56, 1165733), (67, 974344), (127, 514024), (134, 487172), (137, 476504), (254, 257012), (268, 243586), (274, 238252), (469, 139192), (508, 128506), (536, 121793), (548, 119126), (889, 73432), (938, 69596), (959, 68072), (1016, 64253), (1096, 59563), (1778, 36716), (1876, 34798), (1918, 34036), (3556, 18358), (3752, 17399), (3836, 17018), (7112, 9179), (7672, 8509)]