140645648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61471}}^1$

素因数の和:61503

約数の個数: 40

約数和(自身を含む): 320146176

約数和(自身を除く): 179500528

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 61471, 122942, 245884, 491768, 676181, 799123, 983536, 1352362, 1598246, 2704724, 3196492, 5409448, 6392984, 8790353, 10818896, 12785968, 17580706, 35161412, 70322824, 140645648]

約数ペア:

[(1, 140645648), (2, 70322824), (4, 35161412), (8, 17580706), (11, 12785968), (13, 10818896), (16, 8790353), (22, 6392984), (26, 5409448), (44, 3196492), (52, 2704724), (88, 1598246), (104, 1352362), (143, 983536), (176, 799123), (208, 676181), (286, 491768), (572, 245884), (1144, 122942), (2288, 61471)]