81809832

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{997}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 221316480

約数和(自身を除く): 139506648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 263, 312, 526, 789, 997, 1052, 1578, 1994, 2104, 2991, 3156, 3419, 3988, 5982, 6312, 6838, 7976, 10257, 11964, 12961, 13676, 20514, 23928, 25922, 27352, 38883, 41028, 51844, 77766, 82056, 103688, 155532, 262211, 311064, 524422, 786633, 1048844, 1573266, 2097688, 3146532, 3408743, 6293064, 6817486, 10226229, 13634972, 20452458, 27269944, 40904916, 81809832]

約数ペア:

[(1, 81809832), (2, 40904916), (3, 27269944), (4, 20452458), (6, 13634972), (8, 10226229), (12, 6817486), (13, 6293064), (24, 3408743), (26, 3146532), (39, 2097688), (52, 1573266), (78, 1048844), (104, 786633), (156, 524422), (263, 311064), (312, 262211), (526, 155532), (789, 103688), (997, 82056), (1052, 77766), (1578, 51844), (1994, 41028), (2104, 38883), (2991, 27352), (3156, 25922), (3419, 23928), (3988, 20514), (5982, 13676), (6312, 12961), (6838, 11964), (7976, 10257)]