81138876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1203

約数の個数: 96

約数和(自身を含む): 236705280

約数和(自身を除く): 155566404

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 67, 78, 84, 91, 134, 156, 182, 201, 268, 273, 364, 402, 469, 546, 804, 871, 938, 1092, 1109, 1407, 1742, 1876, 2218, 2613, 2814, 3327, 3484, 4436, 5226, 5628, 6097, 6654, 7763, 10452, 12194, 13308, 14417, 15526, 18291, 23289, 24388, 28834, 31052, 36582, 43251, 46578, 57668, 73164, 74303, 86502, 93156, 100919, 148606, 173004, 201838, 222909, 297212, 302757, 403676, 445818, 520121, 605514, 891636, 965939, 1040242, 1211028, 1560363, 1931878, 2080484, 2897817, 3120726, 3863756, 5795634, 6241452, 6761573, 11591268, 13523146, 20284719, 27046292, 40569438, 81138876]

約数ペア:

[(1, 81138876), (2, 40569438), (3, 27046292), (4, 20284719), (6, 13523146), (7, 11591268), (12, 6761573), (13, 6241452), (14, 5795634), (21, 3863756), (26, 3120726), (28, 2897817), (39, 2080484), (42, 1931878), (52, 1560363), (67, 1211028), (78, 1040242), (84, 965939), (91, 891636), (134, 605514), (156, 520121), (182, 445818), (201, 403676), (268, 302757), (273, 297212), (364, 222909), (402, 201838), (469, 173004), (546, 148606), (804, 100919), (871, 93156), (938, 86502), (1092, 74303), (1109, 73164), (1407, 57668), (1742, 46578), (1876, 43251), (2218, 36582), (2613, 31052), (2814, 28834), (3327, 24388), (3484, 23289), (4436, 18291), (5226, 15526), (5628, 14417), (6097, 13308), (6654, 12194), (7763, 10452)]