856552788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{261463}}^1$

素因数の和:261493

約数の個数: 72

約数和(自身を含む): 2664841088

約数和(自身を除く): 1808288300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 261463, 522926, 784389, 1045852, 1568778, 1830241, 2353167, 3137556, 3399019, 3660482, 4706334, 5490723, 6798038, 7320964, 9412668, 10197057, 10981446, 13596076, 16472169, 20394114, 21962892, 23793133, 30591171, 32944338, 40788228, 47586266, 61182342, 65888676, 71379399, 95172532, 122364684, 142758798, 214138197, 285517596, 428276394, 856552788]

約数ペア:

[(1, 856552788), (2, 428276394), (3, 285517596), (4, 214138197), (6, 142758798), (7, 122364684), (9, 95172532), (12, 71379399), (13, 65888676), (14, 61182342), (18, 47586266), (21, 40788228), (26, 32944338), (28, 30591171), (36, 23793133), (39, 21962892), (42, 20394114), (52, 16472169), (63, 13596076), (78, 10981446), (84, 10197057), (91, 9412668), (117, 7320964), (126, 6798038), (156, 5490723), (182, 4706334), (234, 3660482), (252, 3399019), (273, 3137556), (364, 2353167), (468, 1830241), (546, 1568778), (819, 1045852), (1092, 784389), (1638, 522926), (3276, 261463)]