161436964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 342752256

約数和(自身を除く): 181315292

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 43, 52, 62, 68, 86, 124, 137, 172, 221, 274, 403, 442, 527, 548, 559, 731, 806, 884, 1054, 1118, 1333, 1462, 1612, 1781, 2108, 2236, 2329, 2666, 2924, 3562, 4247, 4658, 5332, 5891, 6851, 7124, 8494, 9316, 9503, 11782, 13702, 16988, 17329, 19006, 22661, 23564, 27404, 30277, 34658, 38012, 45322, 55211, 60554, 69316, 72199, 76583, 90644, 100147, 110422, 121108, 144398, 153166, 182621, 200294, 220844, 288796, 294593, 306332, 365242, 400588, 589186, 730484, 938587, 1178372, 1301911, 1877174, 2374073, 2603822, 3104557, 3754348, 4748146, 5207644, 6209114, 9496292, 12418228, 40359241, 80718482, 161436964]

約数ペア:

[(1, 161436964), (2, 80718482), (4, 40359241), (13, 12418228), (17, 9496292), (26, 6209114), (31, 5207644), (34, 4748146), (43, 3754348), (52, 3104557), (62, 2603822), (68, 2374073), (86, 1877174), (124, 1301911), (137, 1178372), (172, 938587), (221, 730484), (274, 589186), (403, 400588), (442, 365242), (527, 306332), (548, 294593), (559, 288796), (731, 220844), (806, 200294), (884, 182621), (1054, 153166), (1118, 144398), (1333, 121108), (1462, 110422), (1612, 100147), (1781, 90644), (2108, 76583), (2236, 72199), (2329, 69316), (2666, 60554), (2924, 55211), (3562, 45322), (4247, 38012), (4658, 34658), (5332, 30277), (5891, 27404), (6851, 23564), (7124, 22661), (8494, 19006), (9316, 17329), (9503, 16988), (11782, 13702)]