31918536

素因数分解:

$2^3\times 3^6\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:458

約数の個数: 112

約数和(自身を含む): 96861660

約数和(自身を除く): 64943124

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 421, 468, 486, 648, 702, 729, 842, 936, 972, 1053, 1263, 1404, 1458, 1684, 1944, 2106, 2526, 2808, 2916, 3159, 3368, 3789, 4212, 5052, 5473, 5832, 6318, 7578, 8424, 9477, 10104, 10946, 11367, 12636, 15156, 16419, 18954, 21892, 22734, 25272, 30312, 32838, 34101, 37908, 43784, 45468, 49257, 65676, 68202, 75816, 90936, 98514, 102303, 131352, 136404, 147771, 197028, 204606, 272808, 295542, 306909, 394056, 409212, 443313, 591084, 613818, 818424, 886626, 1182168, 1227636, 1329939, 1773252, 2455272, 2659878, 3546504, 3989817, 5319756, 7979634, 10639512, 15959268, 31918536]

約数ペア:

[(1, 31918536), (2, 15959268), (3, 10639512), (4, 7979634), (6, 5319756), (8, 3989817), (9, 3546504), (12, 2659878), (13, 2455272), (18, 1773252), (24, 1329939), (26, 1227636), (27, 1182168), (36, 886626), (39, 818424), (52, 613818), (54, 591084), (72, 443313), (78, 409212), (81, 394056), (104, 306909), (108, 295542), (117, 272808), (156, 204606), (162, 197028), (216, 147771), (234, 136404), (243, 131352), (312, 102303), (324, 98514), (351, 90936), (421, 75816), (468, 68202), (486, 65676), (648, 49257), (702, 45468), (729, 43784), (842, 37908), (936, 34101), (972, 32838), (1053, 30312), (1263, 25272), (1404, 22734), (1458, 21892), (1684, 18954), (1944, 16419), (2106, 15156), (2526, 12636), (2808, 11367), (2916, 10946), (3159, 10104), (3368, 9477), (3789, 8424), (4212, 7578), (5052, 6318), (5473, 5832)]