155440688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12251}}^1$

素因数の和:12333

約数の個数: 40

約数和(自身を含む): 329676816

約数和(自身を除く): 174236128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12251, 12688, 24502, 49004, 98008, 159263, 196016, 318526, 637052, 747311, 1274104, 1494622, 2548208, 2989244, 5978488, 9715043, 11956976, 19430086, 38860172, 77720344, 155440688]

約数ペア:

[(1, 155440688), (2, 77720344), (4, 38860172), (8, 19430086), (13, 11956976), (16, 9715043), (26, 5978488), (52, 2989244), (61, 2548208), (104, 1494622), (122, 1274104), (208, 747311), (244, 637052), (488, 318526), (793, 196016), (976, 159263), (1586, 98008), (3172, 49004), (6344, 24502), (12251, 12688)]