77256628

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 143942400

約数和(自身を除く): 66685772

約数列:

[1, 2, 4, 41, 67, 79, 82, 89, 134, 158, 164, 178, 268, 316, 356, 2747, 3239, 3649, 5293, 5494, 5963, 6478, 7031, 7298, 10586, 10988, 11926, 12956, 14062, 14596, 21172, 23852, 28124, 217013, 244483, 288271, 434026, 471077, 488966, 576542, 868052, 942154, 977932, 1153084, 1884308, 19314157, 38628314, 77256628]

約数ペア:

[(1, 77256628), (2, 38628314), (4, 19314157), (41, 1884308), (67, 1153084), (79, 977932), (82, 942154), (89, 868052), (134, 576542), (158, 488966), (164, 471077), (178, 434026), (268, 288271), (316, 244483), (356, 217013), (2747, 28124), (3239, 23852), (3649, 21172), (5293, 14596), (5494, 14062), (5963, 12956), (6478, 11926), (7031, 10988), (7298, 10586)]