1386890351

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{25621}}^1$

素因数の和:25695

約数の個数: 32

約数和(自身を含む): 1869381120

約数和(自身を除く): 482490769

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 407, 703, 1463, 2849, 4921, 7733, 25621, 54131, 179347, 281831, 486799, 947977, 1972817, 3407593, 5354789, 6635839, 10427747, 18011563, 37483523, 72994229, 126080941, 198127193, 1386890351]

約数ペア:

[(1, 1386890351), (7, 198127193), (11, 126080941), (19, 72994229), (37, 37483523), (77, 18011563), (133, 10427747), (209, 6635839), (259, 5354789), (407, 3407593), (703, 1972817), (1463, 947977), (2849, 486799), (4921, 281831), (7733, 179347), (25621, 54131)]