687571499888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1483}}^1\times {\mathrm{318431}}^1$

素因数の和:319942

約数の個数: 80

約数和(自身を含む): 1640704321536

約数和(自身を除く): 953132821648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1483, 2966, 5932, 10381, 11864, 19279, 20762, 23728, 38558, 41524, 77116, 83048, 134953, 154232, 166096, 269906, 308464, 318431, 539812, 636862, 1079624, 1273724, 2159248, 2229017, 2547448, 4139603, 4458034, 5094896, 8279206, 8916068, 16558412, 17832136, 28977221, 33116824, 35664272, 57954442, 66233648, 115908884, 231817768, 463635536, 472233173, 944466346, 1888932692, 3305632211, 3777865384, 6139031249, 6611264422, 7555730768, 12278062498, 13222528844, 24556124996, 26445057688, 42973218743, 49112249992, 52890115376, 85946437486, 98224499984, 171892874972, 343785749944, 687571499888]

約数ペア:

[(1, 687571499888), (2, 343785749944), (4, 171892874972), (7, 98224499984), (8, 85946437486), (13, 52890115376), (14, 49112249992), (16, 42973218743), (26, 26445057688), (28, 24556124996), (52, 13222528844), (56, 12278062498), (91, 7555730768), (104, 6611264422), (112, 6139031249), (182, 3777865384), (208, 3305632211), (364, 1888932692), (728, 944466346), (1456, 472233173), (1483, 463635536), (2966, 231817768), (5932, 115908884), (10381, 66233648), (11864, 57954442), (19279, 35664272), (20762, 33116824), (23728, 28977221), (38558, 17832136), (41524, 16558412), (77116, 8916068), (83048, 8279206), (134953, 5094896), (154232, 4458034), (166096, 4139603), (269906, 2547448), (308464, 2229017), (318431, 2159248), (539812, 1273724), (636862, 1079624)]