128606868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2833}}^1$

素因数の和:2953

約数の個数: 72

約数和(自身を含む): 353830568

約数和(自身を除く): 225223700

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 468, 582, 873, 1164, 1261, 1746, 2522, 2833, 3492, 3783, 5044, 5666, 7566, 8499, 11332, 11349, 15132, 16998, 22698, 25497, 33996, 36829, 45396, 50994, 73658, 101988, 110487, 147316, 220974, 274801, 331461, 441948, 549602, 662922, 824403, 1099204, 1325844, 1648806, 2473209, 3297612, 3572413, 4946418, 7144826, 9892836, 10717239, 14289652, 21434478, 32151717, 42868956, 64303434, 128606868]

約数ペア:

[(1, 128606868), (2, 64303434), (3, 42868956), (4, 32151717), (6, 21434478), (9, 14289652), (12, 10717239), (13, 9892836), (18, 7144826), (26, 4946418), (36, 3572413), (39, 3297612), (52, 2473209), (78, 1648806), (97, 1325844), (117, 1099204), (156, 824403), (194, 662922), (234, 549602), (291, 441948), (388, 331461), (468, 274801), (582, 220974), (873, 147316), (1164, 110487), (1261, 101988), (1746, 73658), (2522, 50994), (2833, 45396), (3492, 36829), (3783, 33996), (5044, 25497), (5666, 22698), (7566, 16998), (8499, 15132), (11332, 11349)]