397326916

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{659}}^1$

素因数の和:1084

約数の個数: 48

約数和(自身を含む): 811198080

約数和(自身を除く): 413871164

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 353, 427, 659, 706, 854, 1318, 1412, 1708, 2471, 2636, 4613, 4942, 9226, 9884, 18452, 21533, 40199, 43066, 80398, 86132, 150731, 160796, 232627, 281393, 301462, 465254, 562786, 602924, 930508, 1125572, 1628389, 3256778, 6513556, 14190247, 28380494, 56760988, 99331729, 198663458, 397326916]

約数ペア:

[(1, 397326916), (2, 198663458), (4, 99331729), (7, 56760988), (14, 28380494), (28, 14190247), (61, 6513556), (122, 3256778), (244, 1628389), (353, 1125572), (427, 930508), (659, 602924), (706, 562786), (854, 465254), (1318, 301462), (1412, 281393), (1708, 232627), (2471, 160796), (2636, 150731), (4613, 86132), (4942, 80398), (9226, 43066), (9884, 40199), (18452, 21533)]