7981164

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 21228480

約数和(自身を除く): 13247316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 53, 89, 94, 106, 141, 159, 178, 188, 212, 267, 282, 318, 356, 423, 477, 534, 564, 636, 801, 846, 954, 1068, 1602, 1692, 1908, 2491, 3204, 4183, 4717, 4982, 7473, 8366, 9434, 9964, 12549, 14151, 14946, 16732, 18868, 22419, 25098, 28302, 29892, 37647, 42453, 44838, 50196, 56604, 75294, 84906, 89676, 150588, 169812, 221699, 443398, 665097, 886796, 1330194, 1995291, 2660388, 3990582, 7981164]

約数ペア:

[(1, 7981164), (2, 3990582), (3, 2660388), (4, 1995291), (6, 1330194), (9, 886796), (12, 665097), (18, 443398), (36, 221699), (47, 169812), (53, 150588), (89, 89676), (94, 84906), (106, 75294), (141, 56604), (159, 50196), (178, 44838), (188, 42453), (212, 37647), (267, 29892), (282, 28302), (318, 25098), (356, 22419), (423, 18868), (477, 16732), (534, 14946), (564, 14151), (636, 12549), (801, 9964), (846, 9434), (954, 8366), (1068, 7473), (1602, 4982), (1692, 4717), (1908, 4183), (2491, 3204)]