15981910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 33053760

約数和(自身を除く): 17071850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 997, 1145, 1603, 1994, 2290, 3206, 4985, 6979, 8015, 9970, 13958, 16030, 34895, 69790, 228313, 456626, 1141565, 1598191, 2283130, 3196382, 7990955, 15981910]

約数ペア:

[(1, 15981910), (2, 7990955), (5, 3196382), (7, 2283130), (10, 1598191), (14, 1141565), (35, 456626), (70, 228313), (229, 69790), (458, 34895), (997, 16030), (1145, 13958), (1603, 9970), (1994, 8015), (2290, 6979), (3206, 4985)]