399542508

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2819}}^1$

素因数の和:2987

約数の個数: 72

約数和(自身を含む): 1051115520

約数和(自身を除く): 651573012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 186, 254, 279, 372, 381, 508, 558, 762, 1116, 1143, 1524, 2286, 2819, 3937, 4572, 5638, 7874, 8457, 11276, 11811, 15748, 16914, 23622, 25371, 33828, 35433, 47244, 50742, 70866, 87389, 101484, 141732, 174778, 262167, 349556, 358013, 524334, 716026, 786501, 1048668, 1074039, 1432052, 1573002, 2148078, 3146004, 3222117, 4296156, 6444234, 11098403, 12888468, 22196806, 33295209, 44393612, 66590418, 99885627, 133180836, 199771254, 399542508]

約数ペア:

[(1, 399542508), (2, 199771254), (3, 133180836), (4, 99885627), (6, 66590418), (9, 44393612), (12, 33295209), (18, 22196806), (31, 12888468), (36, 11098403), (62, 6444234), (93, 4296156), (124, 3222117), (127, 3146004), (186, 2148078), (254, 1573002), (279, 1432052), (372, 1074039), (381, 1048668), (508, 786501), (558, 716026), (762, 524334), (1116, 358013), (1143, 349556), (1524, 262167), (2286, 174778), (2819, 141732), (3937, 101484), (4572, 87389), (5638, 70866), (7874, 50742), (8457, 47244), (11276, 35433), (11811, 33828), (15748, 25371), (16914, 23622)]