278950152

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 784465920

約数和(自身を除く): 505515768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 151, 156, 186, 191, 248, 302, 312, 372, 382, 403, 453, 573, 604, 744, 764, 806, 906, 1146, 1208, 1209, 1528, 1612, 1812, 1963, 2292, 2418, 2483, 3224, 3624, 3926, 4584, 4681, 4836, 4966, 5889, 5921, 7449, 7852, 9362, 9672, 9932, 11778, 11842, 14043, 14898, 15704, 17763, 18724, 19864, 23556, 23684, 28086, 28841, 29796, 35526, 37448, 47112, 47368, 56172, 57682, 59592, 60853, 71052, 76973, 86523, 112344, 115364, 121706, 142104, 153946, 173046, 182559, 230728, 230919, 243412, 307892, 346092, 365118, 374933, 461838, 486824, 615784, 692184, 730236, 749866, 894071, 923676, 1124799, 1460472, 1499732, 1788142, 1847352, 2249598, 2682213, 2999464, 3576284, 4499196, 5364426, 7152568, 8998392, 10728852, 11622923, 21457704, 23245846, 34868769, 46491692, 69737538, 92983384, 139475076, 278950152]

約数ペア:

[(1, 278950152), (2, 139475076), (3, 92983384), (4, 69737538), (6, 46491692), (8, 34868769), (12, 23245846), (13, 21457704), (24, 11622923), (26, 10728852), (31, 8998392), (39, 7152568), (52, 5364426), (62, 4499196), (78, 3576284), (93, 2999464), (104, 2682213), (124, 2249598), (151, 1847352), (156, 1788142), (186, 1499732), (191, 1460472), (248, 1124799), (302, 923676), (312, 894071), (372, 749866), (382, 730236), (403, 692184), (453, 615784), (573, 486824), (604, 461838), (744, 374933), (764, 365118), (806, 346092), (906, 307892), (1146, 243412), (1208, 230919), (1209, 230728), (1528, 182559), (1612, 173046), (1812, 153946), (1963, 142104), (2292, 121706), (2418, 115364), (2483, 112344), (3224, 86523), (3624, 76973), (3926, 71052), (4584, 60853), (4681, 59592), (4836, 57682), (4966, 56172), (5889, 47368), (5921, 47112), (7449, 37448), (7852, 35526), (9362, 29796), (9672, 28841), (9932, 28086), (11778, 23684), (11842, 23556), (14043, 19864), (14898, 18724), (15704, 17763)]