80802988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{733}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 168361984

約数和(自身を除く): 87558996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 733, 868, 889, 1466, 1778, 2932, 3556, 3937, 5131, 7874, 10262, 15748, 20524, 22723, 27559, 45446, 55118, 90892, 93091, 110236, 159061, 186182, 318122, 372364, 636244, 651637, 1303274, 2606548, 2885821, 5771642, 11543284, 20200747, 40401494, 80802988]

約数ペア:

[(1, 80802988), (2, 40401494), (4, 20200747), (7, 11543284), (14, 5771642), (28, 2885821), (31, 2606548), (62, 1303274), (124, 651637), (127, 636244), (217, 372364), (254, 318122), (434, 186182), (508, 159061), (733, 110236), (868, 93091), (889, 90892), (1466, 55118), (1778, 45446), (2932, 27559), (3556, 22723), (3937, 20524), (5131, 15748), (7874, 10262)]