66987272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{12479}}^1$

素因数の和:12557

約数の個数: 32

約数和(自身を含む): 139276800

約数和(自身を除く): 72289528

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 12479, 24958, 49916, 99832, 137269, 274538, 549076, 761219, 1098152, 1522438, 3044876, 6089752, 8373409, 16746818, 33493636, 66987272]

約数ペア:

[(1, 66987272), (2, 33493636), (4, 16746818), (8, 8373409), (11, 6089752), (22, 3044876), (44, 1522438), (61, 1098152), (88, 761219), (122, 549076), (244, 274538), (488, 137269), (671, 99832), (1342, 49916), (2684, 24958), (5368, 12479)]