640932928

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2731}}^1$

素因数の和:2955

約数の個数: 56

約数和(自身を含む): 1346220320

約数和(自身を除く): 705287392

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 193, 304, 386, 608, 772, 1216, 1544, 2731, 3088, 3667, 5462, 6176, 7334, 10924, 12352, 14668, 21848, 29336, 43696, 51889, 58672, 87392, 103778, 117344, 174784, 207556, 234688, 415112, 527083, 830224, 1054166, 1660448, 2108332, 3320896, 4216664, 8433328, 10014577, 16866656, 20029154, 33733312, 40058308, 80116616, 160233232, 320466464, 640932928]

約数ペア:

[(1, 640932928), (2, 320466464), (4, 160233232), (8, 80116616), (16, 40058308), (19, 33733312), (32, 20029154), (38, 16866656), (64, 10014577), (76, 8433328), (152, 4216664), (193, 3320896), (304, 2108332), (386, 1660448), (608, 1054166), (772, 830224), (1216, 527083), (1544, 415112), (2731, 234688), (3088, 207556), (3667, 174784), (5462, 117344), (6176, 103778), (7334, 87392), (10924, 58672), (12352, 51889), (14668, 43696), (21848, 29336)]