221610865

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4513}}^1$

素因数の和:4609

約数の個数: 32

約数和(自身を含む): 322407936

約数和(自身を除く): 100797071

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 1403, 2135, 4513, 7015, 9821, 22565, 31591, 49105, 103799, 157955, 275293, 518995, 726593, 1376465, 1927051, 3632965, 6331739, 9635255, 31658695, 44322173, 221610865]

約数ペア:

[(1, 221610865), (5, 44322173), (7, 31658695), (23, 9635255), (35, 6331739), (61, 3632965), (115, 1927051), (161, 1376465), (305, 726593), (427, 518995), (805, 275293), (1403, 157955), (2135, 103799), (4513, 49105), (7015, 31591), (9821, 22565)]