648702978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1103}}^1$

素因数の和:1212

約数の個数: 128

約数和(自身を含む): 1729658880

約数和(自身を除く): 1080955902

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 67, 77, 114, 133, 134, 154, 201, 209, 231, 266, 399, 402, 418, 462, 469, 627, 737, 798, 938, 1103, 1254, 1273, 1407, 1463, 1474, 2206, 2211, 2546, 2814, 2926, 3309, 3819, 4389, 4422, 5159, 6618, 7638, 7721, 8778, 8911, 10318, 12133, 14003, 15442, 15477, 17822, 20957, 23163, 24266, 26733, 28006, 30954, 36399, 41914, 42009, 46326, 53466, 62871, 72798, 73901, 84018, 84931, 98021, 125742, 146699, 147802, 169862, 196042, 221703, 230527, 254793, 293398, 294063, 440097, 443406, 461054, 509586, 517307, 588126, 691581, 812911, 880194, 1034614, 1383162, 1404119, 1551921, 1613689, 1625822, 2438733, 2808238, 3103842, 3227378, 4212357, 4841067, 4877466, 5690377, 8424714, 9682134, 9828833, 11380754, 15445309, 17071131, 19657666, 29486499, 30890618, 34142262, 46335927, 58972998, 92671854, 108117163, 216234326, 324351489, 648702978]

約数ペア:

[(1, 648702978), (2, 324351489), (3, 216234326), (6, 108117163), (7, 92671854), (11, 58972998), (14, 46335927), (19, 34142262), (21, 30890618), (22, 29486499), (33, 19657666), (38, 17071131), (42, 15445309), (57, 11380754), (66, 9828833), (67, 9682134), (77, 8424714), (114, 5690377), (133, 4877466), (134, 4841067), (154, 4212357), (201, 3227378), (209, 3103842), (231, 2808238), (266, 2438733), (399, 1625822), (402, 1613689), (418, 1551921), (462, 1404119), (469, 1383162), (627, 1034614), (737, 880194), (798, 812911), (938, 691581), (1103, 588126), (1254, 517307), (1273, 509586), (1407, 461054), (1463, 443406), (1474, 440097), (2206, 294063), (2211, 293398), (2546, 254793), (2814, 230527), (2926, 221703), (3309, 196042), (3819, 169862), (4389, 147802), (4422, 146699), (5159, 125742), (6618, 98021), (7638, 84931), (7721, 84018), (8778, 73901), (8911, 72798), (10318, 62871), (12133, 53466), (14003, 46326), (15442, 42009), (15477, 41914), (17822, 36399), (20957, 30954), (23163, 28006), (24266, 26733)]