215844530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{6983}}^1$

素因数の和:7282

約数の個数: 32

約数和(自身を含む): 425409408

約数和(自身を除く): 209564878

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 1405, 2810, 3091, 6182, 6983, 13966, 15455, 30910, 34915, 69830, 76813, 153626, 384065, 768130, 1962223, 3924446, 9811115, 19622230, 21584453, 43168906, 107922265, 215844530]

約数ペア:

[(1, 215844530), (2, 107922265), (5, 43168906), (10, 21584453), (11, 19622230), (22, 9811115), (55, 3924446), (110, 1962223), (281, 768130), (562, 384065), (1405, 153626), (2810, 76813), (3091, 69830), (6182, 34915), (6983, 30910), (13966, 15455)]