31303116

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 85887984

約数和(自身を除く): 54584868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 211, 234, 317, 422, 468, 633, 634, 844, 951, 1266, 1268, 1899, 1902, 2532, 2743, 2853, 3798, 3804, 4121, 5486, 5706, 7596, 8229, 8242, 10972, 11412, 12363, 16458, 16484, 24687, 24726, 32916, 37089, 49374, 49452, 66887, 74178, 98748, 133774, 148356, 200661, 267548, 401322, 601983, 802644, 869531, 1203966, 1739062, 2407932, 2608593, 3478124, 5217186, 7825779, 10434372, 15651558, 31303116]

約数ペア:

[(1, 31303116), (2, 15651558), (3, 10434372), (4, 7825779), (6, 5217186), (9, 3478124), (12, 2608593), (13, 2407932), (18, 1739062), (26, 1203966), (36, 869531), (39, 802644), (52, 601983), (78, 401322), (117, 267548), (156, 200661), (211, 148356), (234, 133774), (317, 98748), (422, 74178), (468, 66887), (633, 49452), (634, 49374), (844, 37089), (951, 32916), (1266, 24726), (1268, 24687), (1899, 16484), (1902, 16458), (2532, 12363), (2743, 11412), (2853, 10972), (3798, 8242), (3804, 8229), (4121, 7596), (5486, 5706)]