31505954732

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{587}}^1\times {\mathrm{1091}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 64561468608

約数和(自身を除く): 33055513876

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 502, 587, 1004, 1091, 1174, 1757, 2182, 2348, 3514, 4109, 4364, 7028, 7637, 8218, 12299, 15274, 16436, 24598, 28763, 30548, 49196, 53459, 57526, 106918, 115052, 147337, 213836, 273841, 294674, 547682, 589348, 640417, 1031359, 1095364, 1280834, 1916887, 2062718, 2561668, 3833774, 4125436, 4482919, 7219513, 7667548, 8965838, 13418209, 14439026, 17931676, 26836418, 28878052, 31380433, 53672836, 62760866, 125521732, 160744667, 321489334, 642978668, 1125212669, 2250425338, 4500850676, 7876488683, 15752977366, 31505954732]

約数ペア:

[(1, 31505954732), (2, 15752977366), (4, 7876488683), (7, 4500850676), (14, 2250425338), (28, 1125212669), (49, 642978668), (98, 321489334), (196, 160744667), (251, 125521732), (502, 62760866), (587, 53672836), (1004, 31380433), (1091, 28878052), (1174, 26836418), (1757, 17931676), (2182, 14439026), (2348, 13418209), (3514, 8965838), (4109, 7667548), (4364, 7219513), (7028, 4482919), (7637, 4125436), (8218, 3833774), (12299, 2561668), (15274, 2062718), (16436, 1916887), (24598, 1280834), (28763, 1095364), (30548, 1031359), (49196, 640417), (53459, 589348), (57526, 547682), (106918, 294674), (115052, 273841), (147337, 213836)]