1649837488

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1959

約数の個数: 120

約数和(自身を含む): 3859909200

約数和(自身を除く): 2210071712

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 169, 208, 221, 247, 272, 304, 323, 338, 442, 494, 646, 676, 884, 988, 1292, 1352, 1768, 1889, 1976, 2584, 2704, 2873, 3211, 3536, 3778, 3952, 4199, 5168, 5746, 6422, 7556, 8398, 11492, 12844, 15112, 16796, 22984, 24557, 25688, 30224, 32113, 33592, 35891, 45968, 49114, 51376, 54587, 64226, 67184, 71782, 98228, 109174, 128452, 143564, 196456, 218348, 256904, 287128, 319241, 392912, 417469, 436696, 466583, 513808, 574256, 610147, 638482, 834938, 873392, 933166, 1220294, 1276964, 1669876, 1866332, 2440588, 2553928, 3339752, 3732664, 4881176, 5107856, 5427097, 6065579, 6679504, 7465328, 7931911, 9762352, 10854194, 12131158, 15863822, 21708388, 24262316, 31727644, 43416776, 48524632, 63455288, 86833552, 97049264, 103114843, 126910576, 206229686, 412459372, 824918744, 1649837488]

約数ペア:

[(1, 1649837488), (2, 824918744), (4, 412459372), (8, 206229686), (13, 126910576), (16, 103114843), (17, 97049264), (19, 86833552), (26, 63455288), (34, 48524632), (38, 43416776), (52, 31727644), (68, 24262316), (76, 21708388), (104, 15863822), (136, 12131158), (152, 10854194), (169, 9762352), (208, 7931911), (221, 7465328), (247, 6679504), (272, 6065579), (304, 5427097), (323, 5107856), (338, 4881176), (442, 3732664), (494, 3339752), (646, 2553928), (676, 2440588), (884, 1866332), (988, 1669876), (1292, 1276964), (1352, 1220294), (1768, 933166), (1889, 873392), (1976, 834938), (2584, 638482), (2704, 610147), (2873, 574256), (3211, 513808), (3536, 466583), (3778, 436696), (3952, 417469), (4199, 392912), (5168, 319241), (5746, 287128), (6422, 256904), (7556, 218348), (8398, 196456), (11492, 143564), (12844, 128452), (15112, 109174), (16796, 98228), (22984, 71782), (24557, 67184), (25688, 64226), (30224, 54587), (32113, 51376), (33592, 49114), (35891, 45968)]