641348032

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1831}}^1$

素因数の和:2277

約数の個数: 56

約数和(自身を含む): 1374578912

約数和(自身を除く): 733230880

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 421, 832, 842, 1684, 1831, 3368, 3662, 5473, 6736, 7324, 10946, 13472, 14648, 21892, 23803, 26944, 29296, 43784, 47606, 58592, 87568, 95212, 117184, 175136, 190424, 350272, 380848, 761696, 770851, 1523392, 1541702, 3083404, 6166808, 10021063, 12333616, 20042126, 24667232, 40084252, 49334464, 80168504, 160337008, 320674016, 641348032]

約数ペア:

[(1, 641348032), (2, 320674016), (4, 160337008), (8, 80168504), (13, 49334464), (16, 40084252), (26, 24667232), (32, 20042126), (52, 12333616), (64, 10021063), (104, 6166808), (208, 3083404), (416, 1541702), (421, 1523392), (832, 770851), (842, 761696), (1684, 380848), (1831, 350272), (3368, 190424), (3662, 175136), (5473, 117184), (6736, 95212), (7324, 87568), (10946, 58592), (13472, 47606), (14648, 43784), (21892, 29296), (23803, 26944)]