31321304

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 69906240

約数和(自身を除く): 38584936

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 61, 106, 122, 173, 212, 244, 346, 371, 424, 427, 488, 692, 742, 854, 1211, 1384, 1484, 1708, 2422, 2968, 3233, 3416, 4844, 6466, 9169, 9688, 10553, 12932, 18338, 21106, 22631, 25864, 36676, 42212, 45262, 64183, 73352, 73871, 84424, 90524, 128366, 147742, 181048, 256732, 295484, 513464, 559309, 590968, 1118618, 2237236, 3915163, 4474472, 7830326, 15660652, 31321304]

約数ペア:

[(1, 31321304), (2, 15660652), (4, 7830326), (7, 4474472), (8, 3915163), (14, 2237236), (28, 1118618), (53, 590968), (56, 559309), (61, 513464), (106, 295484), (122, 256732), (173, 181048), (212, 147742), (244, 128366), (346, 90524), (371, 84424), (424, 73871), (427, 73352), (488, 64183), (692, 45262), (742, 42212), (854, 36676), (1211, 25864), (1384, 22631), (1484, 21106), (1708, 18338), (2422, 12932), (2968, 10553), (3233, 9688), (3416, 9169), (4844, 6466)]