201516812

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 440400240

約数和(自身を除く): 238883428

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 53, 76, 98, 106, 133, 196, 212, 266, 371, 532, 742, 931, 1007, 1021, 1484, 1862, 2014, 2042, 2597, 3724, 4028, 4084, 5194, 7049, 7147, 10388, 14098, 14294, 19399, 28196, 28588, 38798, 49343, 50029, 54113, 77596, 98686, 100058, 108226, 135793, 197372, 200116, 216452, 271586, 378791, 543172, 757582, 950551, 1028147, 1515164, 1901102, 2056294, 2651537, 3802204, 4112588, 5303074, 7197029, 10606148, 14394058, 28788116, 50379203, 100758406, 201516812]

約数ペア:

[(1, 201516812), (2, 100758406), (4, 50379203), (7, 28788116), (14, 14394058), (19, 10606148), (28, 7197029), (38, 5303074), (49, 4112588), (53, 3802204), (76, 2651537), (98, 2056294), (106, 1901102), (133, 1515164), (196, 1028147), (212, 950551), (266, 757582), (371, 543172), (532, 378791), (742, 271586), (931, 216452), (1007, 200116), (1021, 197372), (1484, 135793), (1862, 108226), (2014, 100058), (2042, 98686), (2597, 77596), (3724, 54113), (4028, 50029), (4084, 49343), (5194, 38798), (7049, 28588), (7147, 28196), (10388, 19399), (14098, 14294)]