201815908

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 447036408

約数和(自身を除く): 245220500

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 119, 148, 196, 238, 259, 476, 518, 629, 833, 1036, 1258, 1637, 1666, 1813, 2516, 3274, 3332, 3626, 4403, 6548, 7252, 8806, 11459, 17612, 22918, 27829, 30821, 45836, 55658, 60569, 61642, 80213, 111316, 121138, 123284, 160426, 194803, 242276, 320852, 389606, 423983, 779212, 847966, 1029673, 1363621, 1695932, 2059346, 2727242, 2967881, 4118692, 5454484, 5935762, 7207711, 11871524, 14415422, 28830844, 50453977, 100907954, 201815908]

約数ペア:

[(1, 201815908), (2, 100907954), (4, 50453977), (7, 28830844), (14, 14415422), (17, 11871524), (28, 7207711), (34, 5935762), (37, 5454484), (49, 4118692), (68, 2967881), (74, 2727242), (98, 2059346), (119, 1695932), (148, 1363621), (196, 1029673), (238, 847966), (259, 779212), (476, 423983), (518, 389606), (629, 320852), (833, 242276), (1036, 194803), (1258, 160426), (1637, 123284), (1666, 121138), (1813, 111316), (2516, 80213), (3274, 61642), (3332, 60569), (3626, 55658), (4403, 45836), (6548, 30821), (7252, 27829), (8806, 22918), (11459, 17612)]