281236956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1801}}^1$

素因数の和:1852

約数の個数: 144

約数和(自身を含む): 886411008

約数和(自身を除く): 605174052

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 169, 182, 231, 273, 286, 308, 338, 364, 429, 462, 507, 546, 572, 676, 858, 924, 1001, 1014, 1092, 1183, 1716, 1801, 1859, 2002, 2028, 2366, 3003, 3549, 3602, 3718, 4004, 4732, 5403, 5577, 6006, 7098, 7204, 7436, 10806, 11154, 12012, 12607, 13013, 14196, 19811, 21612, 22308, 23413, 25214, 26026, 37821, 39039, 39622, 46826, 50428, 52052, 59433, 70239, 75642, 78078, 79244, 93652, 118866, 138677, 140478, 151284, 156156, 163891, 237732, 257543, 277354, 280956, 304369, 327782, 416031, 491673, 515086, 554708, 608738, 655564, 772629, 832062, 913107, 983346, 1030172, 1217476, 1545258, 1664124, 1802801, 1826214, 1966692, 2130583, 3090516, 3348059, 3605602, 3652428, 4261166, 5408403, 6391749, 6696118, 7211204, 8522332, 10044177, 10816806, 12783498, 13392236, 20088354, 21633612, 23436413, 25566996, 40176708, 46872826, 70309239, 93745652, 140618478, 281236956]

約数ペア:

[(1, 281236956), (2, 140618478), (3, 93745652), (4, 70309239), (6, 46872826), (7, 40176708), (11, 25566996), (12, 23436413), (13, 21633612), (14, 20088354), (21, 13392236), (22, 12783498), (26, 10816806), (28, 10044177), (33, 8522332), (39, 7211204), (42, 6696118), (44, 6391749), (52, 5408403), (66, 4261166), (77, 3652428), (78, 3605602), (84, 3348059), (91, 3090516), (132, 2130583), (143, 1966692), (154, 1826214), (156, 1802801), (169, 1664124), (182, 1545258), (231, 1217476), (273, 1030172), (286, 983346), (308, 913107), (338, 832062), (364, 772629), (429, 655564), (462, 608738), (507, 554708), (546, 515086), (572, 491673), (676, 416031), (858, 327782), (924, 304369), (1001, 280956), (1014, 277354), (1092, 257543), (1183, 237732), (1716, 163891), (1801, 156156), (1859, 151284), (2002, 140478), (2028, 138677), (2366, 118866), (3003, 93652), (3549, 79244), (3602, 78078), (3718, 75642), (4004, 70239), (4732, 59433), (5403, 52052), (5577, 50428), (6006, 46826), (7098, 39622), (7204, 39039), (7436, 37821), (10806, 26026), (11154, 25214), (12012, 23413), (12607, 22308), (13013, 21612), (14196, 19811)]