128971648

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 278888400

約数和(自身を除く): 149916752

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 179, 208, 358, 416, 433, 716, 832, 866, 1432, 1664, 1732, 2327, 2864, 3464, 4654, 5629, 5728, 6928, 9308, 11258, 11456, 13856, 18616, 22516, 22912, 27712, 37232, 45032, 55424, 74464, 77507, 90064, 148928, 155014, 180128, 297856, 310028, 360256, 620056, 720512, 1007591, 1240112, 2015182, 2480224, 4030364, 4960448, 8060728, 9920896, 16121456, 32242912, 64485824, 128971648]

約数ペア:

[(1, 128971648), (2, 64485824), (4, 32242912), (8, 16121456), (13, 9920896), (16, 8060728), (26, 4960448), (32, 4030364), (52, 2480224), (64, 2015182), (104, 1240112), (128, 1007591), (179, 720512), (208, 620056), (358, 360256), (416, 310028), (433, 297856), (716, 180128), (832, 155014), (866, 148928), (1432, 90064), (1664, 77507), (1732, 74464), (2327, 55424), (2864, 45032), (3464, 37232), (4654, 27712), (5629, 22912), (5728, 22516), (6928, 18616), (9308, 13856), (11258, 11456)]