78078416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 175488768

約数和(自身を除く): 97410352

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 71, 104, 136, 142, 208, 221, 272, 284, 311, 442, 568, 622, 884, 923, 1136, 1207, 1244, 1768, 1846, 2414, 2488, 3536, 3692, 4043, 4828, 4976, 5287, 7384, 8086, 9656, 10574, 14768, 15691, 16172, 19312, 21148, 22081, 31382, 32344, 42296, 44162, 62764, 64688, 68731, 84592, 88324, 125528, 137462, 176648, 251056, 274924, 287053, 353296, 375377, 549848, 574106, 750754, 1099696, 1148212, 1501508, 2296424, 3003016, 4592848, 4879901, 6006032, 9759802, 19519604, 39039208, 78078416]

約数ペア:

[(1, 78078416), (2, 39039208), (4, 19519604), (8, 9759802), (13, 6006032), (16, 4879901), (17, 4592848), (26, 3003016), (34, 2296424), (52, 1501508), (68, 1148212), (71, 1099696), (104, 750754), (136, 574106), (142, 549848), (208, 375377), (221, 353296), (272, 287053), (284, 274924), (311, 251056), (442, 176648), (568, 137462), (622, 125528), (884, 88324), (923, 84592), (1136, 68731), (1207, 64688), (1244, 62764), (1768, 44162), (1846, 42296), (2414, 32344), (2488, 31382), (3536, 22081), (3692, 21148), (4043, 19312), (4828, 16172), (4976, 15691), (5287, 14768), (7384, 10574), (8086, 9656)]