87130204

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 178877440

約数和(自身を除く): 91747236

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 139, 244, 278, 367, 427, 556, 734, 854, 973, 1468, 1708, 1946, 2569, 3892, 5138, 8479, 10276, 16958, 22387, 33916, 44774, 51013, 59353, 89548, 102026, 118706, 156709, 204052, 237412, 313418, 357091, 626836, 714182, 1428364, 3111793, 6223586, 12447172, 21782551, 43565102, 87130204]

約数ペア:

[(1, 87130204), (2, 43565102), (4, 21782551), (7, 12447172), (14, 6223586), (28, 3111793), (61, 1428364), (122, 714182), (139, 626836), (244, 357091), (278, 313418), (367, 237412), (427, 204052), (556, 156709), (734, 118706), (854, 102026), (973, 89548), (1468, 59353), (1708, 51013), (1946, 44774), (2569, 33916), (3892, 22387), (5138, 16958), (8479, 10276)]