1556551332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{18661}}^1$

素因数の和:19009

約数の個数: 72

約数和(自身を含む): 4510530752

約数和(自身を除く): 2953979420

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 331, 662, 993, 1324, 1986, 2317, 2979, 3972, 4634, 5958, 6951, 9268, 11916, 13902, 18661, 20853, 27804, 37322, 41706, 55983, 74644, 83412, 111966, 130627, 167949, 223932, 261254, 335898, 391881, 522508, 671796, 783762, 1175643, 1567524, 2351286, 4702572, 6176791, 12353582, 18530373, 24707164, 37060746, 43237537, 55591119, 74121492, 86475074, 111182238, 129712611, 172950148, 222364476, 259425222, 389137833, 518850444, 778275666, 1556551332]

約数ペア:

[(1, 1556551332), (2, 778275666), (3, 518850444), (4, 389137833), (6, 259425222), (7, 222364476), (9, 172950148), (12, 129712611), (14, 111182238), (18, 86475074), (21, 74121492), (28, 55591119), (36, 43237537), (42, 37060746), (63, 24707164), (84, 18530373), (126, 12353582), (252, 6176791), (331, 4702572), (662, 2351286), (993, 1567524), (1324, 1175643), (1986, 783762), (2317, 671796), (2979, 522508), (3972, 391881), (4634, 335898), (5958, 261254), (6951, 223932), (9268, 167949), (11916, 130627), (13902, 111966), (18661, 83412), (20853, 74644), (27804, 55983), (37322, 41706)]