30878015

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 13358785

約数列:

[1, 5, 7, 31, 35, 149, 155, 191, 217, 745, 955, 1043, 1085, 1337, 4619, 5215, 5921, 6685, 23095, 28459, 29605, 32333, 41447, 142295, 161665, 199213, 207235, 882229, 996065, 4411145, 6175603, 30878015]

約数ペア:

[(1, 30878015), (5, 6175603), (7, 4411145), (31, 996065), (35, 882229), (149, 207235), (155, 199213), (191, 161665), (217, 142295), (745, 41447), (955, 32333), (1043, 29605), (1085, 28459), (1337, 23095), (4619, 6685), (5215, 5921)]