208489428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1262

約数の個数: 144

約数和(自身を含む): 653837184

約数和(自身を除く): 445347756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 41, 42, 51, 63, 68, 82, 84, 102, 119, 123, 126, 153, 164, 204, 238, 246, 252, 287, 306, 357, 369, 476, 492, 574, 612, 697, 714, 738, 861, 1071, 1148, 1187, 1394, 1428, 1476, 1722, 2091, 2142, 2374, 2583, 2788, 3444, 3561, 4182, 4284, 4748, 4879, 5166, 6273, 7122, 8309, 8364, 9758, 10332, 10683, 12546, 14244, 14637, 16618, 19516, 20179, 21366, 24927, 25092, 29274, 33236, 40358, 42732, 43911, 48667, 49854, 58548, 60537, 74781, 80716, 87822, 97334, 99708, 121074, 141253, 146001, 149562, 175644, 181611, 194668, 242148, 282506, 292002, 299124, 340669, 363222, 423759, 438003, 565012, 584004, 681338, 726444, 827339, 847518, 876006, 1022007, 1271277, 1362676, 1654678, 1695036, 1752012, 2044014, 2482017, 2542554, 3066021, 3309356, 4088028, 4964034, 5085108, 5791373, 6132042, 7446051, 9928068, 11582746, 12264084, 14892102, 17374119, 23165492, 29784204, 34748238, 52122357, 69496476, 104244714, 208489428]

約数ペア:

[(1, 208489428), (2, 104244714), (3, 69496476), (4, 52122357), (6, 34748238), (7, 29784204), (9, 23165492), (12, 17374119), (14, 14892102), (17, 12264084), (18, 11582746), (21, 9928068), (28, 7446051), (34, 6132042), (36, 5791373), (41, 5085108), (42, 4964034), (51, 4088028), (63, 3309356), (68, 3066021), (82, 2542554), (84, 2482017), (102, 2044014), (119, 1752012), (123, 1695036), (126, 1654678), (153, 1362676), (164, 1271277), (204, 1022007), (238, 876006), (246, 847518), (252, 827339), (287, 726444), (306, 681338), (357, 584004), (369, 565012), (476, 438003), (492, 423759), (574, 363222), (612, 340669), (697, 299124), (714, 292002), (738, 282506), (861, 242148), (1071, 194668), (1148, 181611), (1187, 175644), (1394, 149562), (1428, 146001), (1476, 141253), (1722, 121074), (2091, 99708), (2142, 97334), (2374, 87822), (2583, 80716), (2788, 74781), (3444, 60537), (3561, 58548), (4182, 49854), (4284, 48667), (4748, 43911), (4879, 42732), (5166, 40358), (6273, 33236), (7122, 29274), (8309, 25092), (8364, 24927), (9758, 21366), (10332, 20179), (10683, 19516), (12546, 16618), (14244, 14637)]