2531897788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{2251}}^1$

素因数の和:2435

約数の個数: 72

約数和(自身を含む): 5420293760

約数和(自身を除く): 2888395972

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 139, 238, 278, 289, 476, 556, 578, 973, 1156, 1946, 2023, 2251, 2363, 3892, 4046, 4502, 4726, 8092, 9004, 9452, 15757, 16541, 31514, 33082, 38267, 40171, 63028, 66164, 76534, 80342, 153068, 160684, 267869, 281197, 312889, 535738, 562394, 625778, 650539, 1071476, 1124788, 1251556, 1301078, 2190223, 2602156, 4380446, 4553773, 5319113, 8760892, 9107546, 10638226, 18215092, 21276452, 37233791, 74467582, 90424921, 148935164, 180849842, 361699684, 632974447, 1265948894, 2531897788]

約数ペア:

[(1, 2531897788), (2, 1265948894), (4, 632974447), (7, 361699684), (14, 180849842), (17, 148935164), (28, 90424921), (34, 74467582), (68, 37233791), (119, 21276452), (139, 18215092), (238, 10638226), (278, 9107546), (289, 8760892), (476, 5319113), (556, 4553773), (578, 4380446), (973, 2602156), (1156, 2190223), (1946, 1301078), (2023, 1251556), (2251, 1124788), (2363, 1071476), (3892, 650539), (4046, 625778), (4502, 562394), (4726, 535738), (8092, 312889), (9004, 281197), (9452, 267869), (15757, 160684), (16541, 153068), (31514, 80342), (33082, 76534), (38267, 66164), (40171, 63028)]