31390112

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1321

約数の個数: 48

約数和(自身を含む): 67698792

約数和(自身を除く): 36308680

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1237, 1586, 1952, 2474, 3172, 4948, 6344, 9896, 12688, 16081, 19792, 25376, 32162, 39584, 64324, 75457, 128648, 150914, 257296, 301828, 514592, 603656, 980941, 1207312, 1961882, 2414624, 3923764, 7847528, 15695056, 31390112]

約数ペア:

[(1, 31390112), (2, 15695056), (4, 7847528), (8, 3923764), (13, 2414624), (16, 1961882), (26, 1207312), (32, 980941), (52, 603656), (61, 514592), (104, 301828), (122, 257296), (208, 150914), (244, 128648), (416, 75457), (488, 64324), (793, 39584), (976, 32162), (1237, 25376), (1586, 19792), (1952, 16081), (2474, 12688), (3172, 9896), (4948, 6344)]