1213167890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{479513}}^1$

素因数の和:479554

約数の個数: 32

約数和(自身を含む): 2485800576

約数和(自身を除く): 1272632686

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 479513, 959026, 2397565, 4795130, 5274643, 10549286, 11028799, 22057598, 26373215, 52746430, 55143995, 110287990, 121316789, 242633578, 606583945, 1213167890]

約数ペア:

[(1, 1213167890), (2, 606583945), (5, 242633578), (10, 121316789), (11, 110287990), (22, 55143995), (23, 52746430), (46, 26373215), (55, 22057598), (110, 11028799), (115, 10549286), (230, 5274643), (253, 4795130), (506, 2397565), (1265, 959026), (2530, 479513)]