213361778

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 393216000

約数和(自身を除く): 179854222

約数列:

[1, 2, 7, 14, 31, 49, 62, 79, 98, 127, 158, 217, 254, 343, 434, 553, 686, 889, 1106, 1519, 1778, 2449, 3038, 3871, 3937, 4898, 6223, 7742, 7874, 10033, 10633, 12446, 17143, 20066, 21266, 27097, 27559, 34286, 43561, 54194, 55118, 70231, 87122, 120001, 140462, 192913, 240002, 311023, 385826, 491617, 622046, 840007, 983234, 1350391, 1680014, 2177161, 2700782, 3441319, 4354322, 6882638, 15240127, 30480254, 106680889, 213361778]

約数ペア:

[(1, 213361778), (2, 106680889), (7, 30480254), (14, 15240127), (31, 6882638), (49, 4354322), (62, 3441319), (79, 2700782), (98, 2177161), (127, 1680014), (158, 1350391), (217, 983234), (254, 840007), (343, 622046), (434, 491617), (553, 385826), (686, 311023), (889, 240002), (1106, 192913), (1519, 140462), (1778, 120001), (2449, 87122), (3038, 70231), (3871, 55118), (3937, 54194), (4898, 43561), (6223, 34286), (7742, 27559), (7874, 27097), (10033, 21266), (10633, 20066), (12446, 17143)]