28197832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 61916400

約数和(自身を除く): 33718568

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 221, 328, 389, 442, 533, 697, 778, 884, 1066, 1394, 1556, 1768, 2132, 2788, 3112, 4264, 5057, 5576, 6613, 9061, 10114, 13226, 15949, 18122, 20228, 26452, 31898, 36244, 40456, 52904, 63796, 72488, 85969, 127592, 171938, 207337, 271133, 343876, 414674, 542266, 687752, 829348, 1084532, 1658696, 2169064, 3524729, 7049458, 14098916, 28197832]

約数ペア:

[(1, 28197832), (2, 14098916), (4, 7049458), (8, 3524729), (13, 2169064), (17, 1658696), (26, 1084532), (34, 829348), (41, 687752), (52, 542266), (68, 414674), (82, 343876), (104, 271133), (136, 207337), (164, 171938), (221, 127592), (328, 85969), (389, 72488), (442, 63796), (533, 52904), (697, 40456), (778, 36244), (884, 31898), (1066, 26452), (1394, 20228), (1556, 18122), (1768, 15949), (2132, 13226), (2788, 10114), (3112, 9061), (4264, 6613), (5057, 5576)]