68990896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 154677600

約数和(自身を除く): 85686704

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 109, 136, 179, 208, 218, 221, 272, 358, 436, 442, 716, 872, 884, 1417, 1432, 1744, 1768, 1853, 2327, 2834, 2864, 3043, 3536, 3706, 4654, 5668, 6086, 7412, 9308, 11336, 12172, 14824, 18616, 19511, 22672, 24089, 24344, 29648, 37232, 39022, 39559, 48178, 48688, 78044, 79118, 96356, 156088, 158236, 192712, 253643, 312176, 316472, 331687, 385424, 507286, 632944, 663374, 1014572, 1326748, 2029144, 2653496, 4058288, 4311931, 5306992, 8623862, 17247724, 34495448, 68990896]

約数ペア:

[(1, 68990896), (2, 34495448), (4, 17247724), (8, 8623862), (13, 5306992), (16, 4311931), (17, 4058288), (26, 2653496), (34, 2029144), (52, 1326748), (68, 1014572), (104, 663374), (109, 632944), (136, 507286), (179, 385424), (208, 331687), (218, 316472), (221, 312176), (272, 253643), (358, 192712), (436, 158236), (442, 156088), (716, 96356), (872, 79118), (884, 78044), (1417, 48688), (1432, 48178), (1744, 39559), (1768, 39022), (1853, 37232), (2327, 29648), (2834, 24344), (2864, 24089), (3043, 22672), (3536, 19511), (3706, 18616), (4654, 14824), (5668, 12172), (6086, 11336), (7412, 9308)]