1311215724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{400249}}^1$

素因数の和:400279

約数の個数: 72

約数和(自身を含む): 4079348000

約数和(自身を除く): 2768132276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 400249, 800498, 1200747, 1600996, 2401494, 2801743, 3602241, 4802988, 5203237, 5603486, 7204482, 8405229, 10406474, 11206972, 14408964, 15609711, 16810458, 20812948, 25215687, 31219422, 33620916, 36422659, 46829133, 50431374, 62438844, 72845318, 93658266, 100862748, 109267977, 145690636, 187316532, 218535954, 327803931, 437071908, 655607862, 1311215724]

約数ペア:

[(1, 1311215724), (2, 655607862), (3, 437071908), (4, 327803931), (6, 218535954), (7, 187316532), (9, 145690636), (12, 109267977), (13, 100862748), (14, 93658266), (18, 72845318), (21, 62438844), (26, 50431374), (28, 46829133), (36, 36422659), (39, 33620916), (42, 31219422), (52, 25215687), (63, 20812948), (78, 16810458), (84, 15609711), (91, 14408964), (117, 11206972), (126, 10406474), (156, 8405229), (182, 7204482), (234, 5603486), (252, 5203237), (273, 4802988), (364, 3602241), (468, 2801743), (546, 2401494), (819, 1600996), (1092, 1200747), (1638, 800498), (3276, 400249)]