393749972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 938090496

約数和(自身を除く): 544340524

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 31, 44, 46, 62, 77, 92, 121, 124, 154, 161, 163, 217, 242, 253, 308, 322, 326, 341, 434, 484, 506, 644, 652, 682, 713, 847, 868, 1012, 1141, 1364, 1426, 1694, 1771, 1793, 2282, 2387, 2783, 2852, 3388, 3542, 3586, 3749, 3751, 4564, 4774, 4991, 5053, 5566, 7084, 7172, 7498, 7502, 7843, 9548, 9982, 10106, 11132, 12551, 14996, 15004, 15686, 19481, 19723, 19964, 20212, 25102, 26243, 26257, 31372, 35371, 38962, 39446, 41239, 50204, 52486, 52514, 54901, 55583, 70742, 77924, 78892, 82478, 86273, 104972, 105028, 109802, 111166, 116219, 138061, 141484, 164956, 172546, 219604, 222332, 232438, 276122, 288673, 345092, 389081, 453629, 464876, 552244, 577346, 603911, 611413, 778162, 813533, 907258, 1154692, 1207822, 1222826, 1278409, 1556324, 1627066, 1814516, 2415644, 2445652, 2556818, 3175403, 3254132, 4279891, 5113636, 6350806, 8559782, 8948863, 12701612, 14062499, 17119564, 17897726, 28124998, 35795452, 56249996, 98437493, 196874986, 393749972]

約数ペア:

[(1, 393749972), (2, 196874986), (4, 98437493), (7, 56249996), (11, 35795452), (14, 28124998), (22, 17897726), (23, 17119564), (28, 14062499), (31, 12701612), (44, 8948863), (46, 8559782), (62, 6350806), (77, 5113636), (92, 4279891), (121, 3254132), (124, 3175403), (154, 2556818), (161, 2445652), (163, 2415644), (217, 1814516), (242, 1627066), (253, 1556324), (308, 1278409), (322, 1222826), (326, 1207822), (341, 1154692), (434, 907258), (484, 813533), (506, 778162), (644, 611413), (652, 603911), (682, 577346), (713, 552244), (847, 464876), (868, 453629), (1012, 389081), (1141, 345092), (1364, 288673), (1426, 276122), (1694, 232438), (1771, 222332), (1793, 219604), (2282, 172546), (2387, 164956), (2783, 141484), (2852, 138061), (3388, 116219), (3542, 111166), (3586, 109802), (3749, 105028), (3751, 104972), (4564, 86273), (4774, 82478), (4991, 78892), (5053, 77924), (5566, 70742), (7084, 55583), (7172, 54901), (7498, 52514), (7502, 52486), (7843, 50204), (9548, 41239), (9982, 39446), (10106, 38962), (11132, 35371), (12551, 31372), (14996, 26257), (15004, 26243), (15686, 25102), (19481, 20212), (19723, 19964)]