1638911230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{1163}}^1$

素因数の和:1761

約数の個数: 64

約数和(自身を含む): 3367070208

約数和(自身を除く): 1728158978

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 557, 1114, 1163, 1265, 2326, 2530, 2785, 5570, 5815, 6127, 11630, 12254, 12793, 12811, 25586, 25622, 26749, 30635, 53498, 61270, 63965, 64055, 127930, 128110, 133745, 140921, 267490, 281842, 294239, 588478, 647791, 704605, 1295582, 1409210, 1471195, 2942390, 3238955, 6477910, 7125701, 14251402, 14899193, 29798386, 35628505, 71257010, 74495965, 148991930, 163891123, 327782246, 819455615, 1638911230]

約数ペア:

[(1, 1638911230), (2, 819455615), (5, 327782246), (10, 163891123), (11, 148991930), (22, 74495965), (23, 71257010), (46, 35628505), (55, 29798386), (110, 14899193), (115, 14251402), (230, 7125701), (253, 6477910), (506, 3238955), (557, 2942390), (1114, 1471195), (1163, 1409210), (1265, 1295582), (2326, 704605), (2530, 647791), (2785, 588478), (5570, 294239), (5815, 281842), (6127, 267490), (11630, 140921), (12254, 133745), (12793, 128110), (12811, 127930), (25586, 64055), (25622, 63965), (26749, 61270), (30635, 53498)]