205298964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{977}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 560687400

約数和(自身を除く): 355388436

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 449, 468, 898, 977, 1347, 1796, 1954, 2694, 2931, 3908, 4041, 5388, 5837, 5862, 8082, 8793, 11674, 11724, 12701, 16164, 17511, 17586, 23348, 25402, 35022, 35172, 38103, 50804, 52533, 70044, 76206, 105066, 114309, 152412, 210132, 228618, 438673, 457236, 877346, 1316019, 1754692, 2632038, 3948057, 5264076, 5702749, 7896114, 11405498, 15792228, 17108247, 22810996, 34216494, 51324741, 68432988, 102649482, 205298964]

約数ペア:

[(1, 205298964), (2, 102649482), (3, 68432988), (4, 51324741), (6, 34216494), (9, 22810996), (12, 17108247), (13, 15792228), (18, 11405498), (26, 7896114), (36, 5702749), (39, 5264076), (52, 3948057), (78, 2632038), (117, 1754692), (156, 1316019), (234, 877346), (449, 457236), (468, 438673), (898, 228618), (977, 210132), (1347, 152412), (1796, 114309), (1954, 105066), (2694, 76206), (2931, 70044), (3908, 52533), (4041, 50804), (5388, 38103), (5837, 35172), (5862, 35022), (8082, 25402), (8793, 23348), (11674, 17586), (11724, 17511), (12701, 16164)]