28406898

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 72452016

約数和(自身を除く): 44045118

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 37, 39, 51, 74, 78, 102, 111, 117, 153, 193, 221, 222, 234, 306, 333, 386, 442, 481, 579, 629, 663, 666, 962, 1158, 1258, 1326, 1443, 1737, 1887, 1989, 2509, 2886, 3281, 3474, 3774, 3978, 4329, 5018, 5661, 6562, 7141, 7527, 8177, 8658, 9843, 11322, 14282, 15054, 16354, 19686, 21423, 22581, 24531, 29529, 42653, 42846, 45162, 49062, 59058, 64269, 73593, 85306, 92833, 121397, 127959, 128538, 147186, 185666, 242794, 255918, 278499, 364191, 383877, 556998, 728382, 767754, 835497, 1092573, 1578161, 1670994, 2185146, 3156322, 4734483, 9468966, 14203449, 28406898]

約数ペア:

[(1, 28406898), (2, 14203449), (3, 9468966), (6, 4734483), (9, 3156322), (13, 2185146), (17, 1670994), (18, 1578161), (26, 1092573), (34, 835497), (37, 767754), (39, 728382), (51, 556998), (74, 383877), (78, 364191), (102, 278499), (111, 255918), (117, 242794), (153, 185666), (193, 147186), (221, 128538), (222, 127959), (234, 121397), (306, 92833), (333, 85306), (386, 73593), (442, 64269), (481, 59058), (579, 49062), (629, 45162), (663, 42846), (666, 42653), (962, 29529), (1158, 24531), (1258, 22581), (1326, 21423), (1443, 19686), (1737, 16354), (1887, 15054), (1989, 14282), (2509, 11322), (2886, 9843), (3281, 8658), (3474, 8177), (3774, 7527), (3978, 7141), (4329, 6562), (5018, 5661)]