81450348

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1951}}^1$

素因数の和:2043

約数の個数: 72

約数和(自身を含む): 224308224

約数和(自身を除く): 142857876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 497, 588, 852, 994, 1491, 1951, 1988, 2982, 3479, 3902, 5853, 5964, 6958, 7804, 10437, 11706, 13657, 13916, 20874, 23412, 27314, 40971, 41748, 54628, 81942, 95599, 138521, 163884, 191198, 277042, 286797, 382396, 415563, 554084, 573594, 831126, 969647, 1147188, 1662252, 1939294, 2908941, 3878588, 5817882, 6787529, 11635764, 13575058, 20362587, 27150116, 40725174, 81450348]

約数ペア:

[(1, 81450348), (2, 40725174), (3, 27150116), (4, 20362587), (6, 13575058), (7, 11635764), (12, 6787529), (14, 5817882), (21, 3878588), (28, 2908941), (42, 1939294), (49, 1662252), (71, 1147188), (84, 969647), (98, 831126), (142, 573594), (147, 554084), (196, 415563), (213, 382396), (284, 286797), (294, 277042), (426, 191198), (497, 163884), (588, 138521), (852, 95599), (994, 81942), (1491, 54628), (1951, 41748), (1988, 40971), (2982, 27314), (3479, 23412), (3902, 20874), (5853, 13916), (5964, 13657), (6958, 11706), (7804, 10437)]