145087145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 207083520

約数和(自身を除く): 61996375

約数列:

[1, 5, 7, 29, 35, 145, 203, 223, 641, 1015, 1115, 1561, 3205, 4487, 6467, 7805, 18589, 22435, 32335, 45269, 92945, 130123, 142943, 226345, 650615, 714715, 1000601, 4145347, 5003005, 20726735, 29017429, 145087145]

約数ペア:

[(1, 145087145), (5, 29017429), (7, 20726735), (29, 5003005), (35, 4145347), (145, 1000601), (203, 714715), (223, 650615), (641, 226345), (1015, 142943), (1115, 130123), (1561, 92945), (3205, 45269), (4487, 32335), (6467, 22435), (7805, 18589)]