247204188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{347}}^1$

素因数の和:632

約数の個数: 144

約数和(自身を含む): 784353024

約数和(自身を除く): 537148836

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 257, 308, 347, 396, 462, 514, 693, 694, 771, 924, 1028, 1041, 1386, 1388, 1542, 1799, 2082, 2313, 2429, 2772, 2827, 3084, 3123, 3598, 3817, 4164, 4626, 4858, 5397, 5654, 6246, 7196, 7287, 7634, 8481, 9252, 9716, 10794, 11308, 11451, 12492, 14574, 15268, 16191, 16962, 19789, 21588, 21861, 22902, 25443, 26719, 29148, 32382, 33924, 34353, 39578, 43722, 45804, 50886, 53438, 59367, 64764, 68706, 79156, 80157, 87444, 89179, 101772, 106876, 118734, 137412, 160314, 178101, 178358, 237468, 240471, 267537, 320628, 356202, 356716, 480942, 535074, 624253, 712404, 802611, 961884, 980969, 1070148, 1248506, 1605222, 1872759, 1961938, 2497012, 2942907, 3210444, 3745518, 3923876, 5618277, 5885814, 6866783, 7491036, 8828721, 11236554, 11771628, 13733566, 17657442, 20600349, 22473108, 27467132, 35314884, 41200698, 61801047, 82401396, 123602094, 247204188]

約数ペア:

[(1, 247204188), (2, 123602094), (3, 82401396), (4, 61801047), (6, 41200698), (7, 35314884), (9, 27467132), (11, 22473108), (12, 20600349), (14, 17657442), (18, 13733566), (21, 11771628), (22, 11236554), (28, 8828721), (33, 7491036), (36, 6866783), (42, 5885814), (44, 5618277), (63, 3923876), (66, 3745518), (77, 3210444), (84, 2942907), (99, 2497012), (126, 1961938), (132, 1872759), (154, 1605222), (198, 1248506), (231, 1070148), (252, 980969), (257, 961884), (308, 802611), (347, 712404), (396, 624253), (462, 535074), (514, 480942), (693, 356716), (694, 356202), (771, 320628), (924, 267537), (1028, 240471), (1041, 237468), (1386, 178358), (1388, 178101), (1542, 160314), (1799, 137412), (2082, 118734), (2313, 106876), (2429, 101772), (2772, 89179), (2827, 87444), (3084, 80157), (3123, 79156), (3598, 68706), (3817, 64764), (4164, 59367), (4626, 53438), (4858, 50886), (5397, 45804), (5654, 43722), (6246, 39578), (7196, 34353), (7287, 33924), (7634, 32382), (8481, 29148), (9252, 26719), (9716, 25443), (10794, 22902), (11308, 21861), (11451, 21588), (12492, 19789), (14574, 16962), (15268, 16191)]