1720726238

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 108

約数和(自身を含む): 3432737448

約数和(自身を除く): 1712011210

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 121, 151, 154, 217, 242, 302, 341, 434, 539, 682, 847, 961, 1057, 1078, 1519, 1661, 1694, 1922, 2114, 2387, 3038, 3322, 3751, 4681, 4774, 5929, 6727, 7399, 7502, 9362, 10571, 11627, 11858, 13454, 14798, 16709, 18271, 21142, 23254, 26257, 32767, 33418, 36542, 47089, 51491, 52514, 65534, 73997, 81389, 94178, 102982, 116281, 127897, 145111, 147994, 162778, 183799, 229369, 232562, 255794, 290222, 360437, 367598, 458738, 517979, 566401, 720874, 813967, 895279, 1015777, 1035958, 1132802, 1596221, 1627934, 1790558, 2031554, 2523059, 3192442, 3964807, 5046118, 5697769, 7110439, 7929614, 11173547, 11395538, 14220878, 17558431, 22347094, 27753649, 35116862, 55507298, 78214829, 122909017, 156429658, 245818034, 860363119, 1720726238]

約数ペア:

[(1, 1720726238), (2, 860363119), (7, 245818034), (11, 156429658), (14, 122909017), (22, 78214829), (31, 55507298), (49, 35116862), (62, 27753649), (77, 22347094), (98, 17558431), (121, 14220878), (151, 11395538), (154, 11173547), (217, 7929614), (242, 7110439), (302, 5697769), (341, 5046118), (434, 3964807), (539, 3192442), (682, 2523059), (847, 2031554), (961, 1790558), (1057, 1627934), (1078, 1596221), (1519, 1132802), (1661, 1035958), (1694, 1015777), (1922, 895279), (2114, 813967), (2387, 720874), (3038, 566401), (3322, 517979), (3751, 458738), (4681, 367598), (4774, 360437), (5929, 290222), (6727, 255794), (7399, 232562), (7502, 229369), (9362, 183799), (10571, 162778), (11627, 147994), (11858, 145111), (13454, 127897), (14798, 116281), (16709, 102982), (18271, 94178), (21142, 81389), (23254, 73997), (26257, 65534), (32767, 52514), (33418, 51491), (36542, 47089)]