321995648

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{193507}}^1$

素因数の和:193534

約数の個数: 32

約数和(自身を含む): 690823560

約数和(自身を除く): 368827912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 193507, 387014, 774028, 1548056, 2515591, 3096112, 5031182, 6192224, 10062364, 12384448, 20124728, 24768896, 40249456, 80498912, 160997824, 321995648]

約数ペア:

[(1, 321995648), (2, 160997824), (4, 80498912), (8, 40249456), (13, 24768896), (16, 20124728), (26, 12384448), (32, 10062364), (52, 6192224), (64, 5031182), (104, 3096112), (128, 2515591), (208, 1548056), (416, 774028), (832, 387014), (1664, 193507)]