1219295212

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 2216712960

約数和(自身を除く): 997417748

約数列:

[1, 2, 4, 67, 71, 134, 139, 142, 268, 278, 284, 461, 556, 922, 1844, 4757, 9313, 9514, 9869, 18626, 19028, 19738, 30887, 32731, 37252, 39476, 61774, 64079, 65462, 123548, 128158, 130924, 256316, 661223, 1322446, 2192977, 2644892, 4293293, 4385954, 4549609, 8586586, 8771908, 9099218, 17173172, 18198436, 304823803, 609647606, 1219295212]

約数ペア:

[(1, 1219295212), (2, 609647606), (4, 304823803), (67, 18198436), (71, 17173172), (134, 9099218), (139, 8771908), (142, 8586586), (268, 4549609), (278, 4385954), (284, 4293293), (461, 2644892), (556, 2192977), (922, 1322446), (1844, 661223), (4757, 256316), (9313, 130924), (9514, 128158), (9869, 123548), (18626, 65462), (19028, 64079), (19738, 61774), (30887, 39476), (32731, 37252)]