128314446

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 286590528

約数和(自身を除く): 158276082

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 173, 222, 257, 346, 481, 514, 519, 771, 962, 1038, 1443, 1542, 2249, 2886, 3341, 4498, 6401, 6682, 6747, 9509, 10023, 12802, 13494, 19018, 19203, 20046, 28527, 38406, 44461, 57054, 83213, 88922, 123617, 133383, 166426, 247234, 249639, 266766, 370851, 499278, 577993, 741702, 1155986, 1645057, 1733979, 3290114, 3467958, 4935171, 9870342, 21385741, 42771482, 64157223, 128314446]

約数ペア:

[(1, 128314446), (2, 64157223), (3, 42771482), (6, 21385741), (13, 9870342), (26, 4935171), (37, 3467958), (39, 3290114), (74, 1733979), (78, 1645057), (111, 1155986), (173, 741702), (222, 577993), (257, 499278), (346, 370851), (481, 266766), (514, 249639), (519, 247234), (771, 166426), (962, 133383), (1038, 123617), (1443, 88922), (1542, 83213), (2249, 57054), (2886, 44461), (3341, 38406), (4498, 28527), (6401, 20046), (6682, 19203), (6747, 19018), (9509, 13494), (10023, 12802)]