77838858

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 186700800

約数和(自身を除く): 108861942

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 67, 79, 86, 114, 129, 134, 158, 171, 201, 237, 258, 342, 387, 402, 474, 603, 711, 774, 817, 1206, 1273, 1422, 1501, 1634, 2451, 2546, 2881, 3002, 3397, 3819, 4503, 4902, 5293, 5762, 6794, 7353, 7638, 8643, 9006, 10191, 10586, 11457, 13509, 14706, 15879, 17286, 20382, 22914, 25929, 27018, 30573, 31758, 47637, 51858, 54739, 61146, 64543, 95274, 100567, 109478, 129086, 164217, 193629, 201134, 227599, 301701, 328434, 387258, 455198, 492651, 580887, 603402, 682797, 905103, 985302, 1161774, 1365594, 1810206, 2048391, 4096782, 4324381, 8648762, 12973143, 25946286, 38919429, 77838858]

約数ペア:

[(1, 77838858), (2, 38919429), (3, 25946286), (6, 12973143), (9, 8648762), (18, 4324381), (19, 4096782), (38, 2048391), (43, 1810206), (57, 1365594), (67, 1161774), (79, 985302), (86, 905103), (114, 682797), (129, 603402), (134, 580887), (158, 492651), (171, 455198), (201, 387258), (237, 328434), (258, 301701), (342, 227599), (387, 201134), (402, 193629), (474, 164217), (603, 129086), (711, 109478), (774, 100567), (817, 95274), (1206, 64543), (1273, 61146), (1422, 54739), (1501, 51858), (1634, 47637), (2451, 31758), (2546, 30573), (2881, 27018), (3002, 25929), (3397, 22914), (3819, 20382), (4503, 17286), (4902, 15879), (5293, 14706), (5762, 13509), (6794, 11457), (7353, 10586), (7638, 10191), (8643, 9006)]