72671378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{90163}}^1$

素因数の和:90209

約数の個数: 16

約数和(自身を含む): 121180416

約数和(自身を除く): 48509038

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 90163, 180326, 1172119, 2344238, 2795053, 5590106, 36335689, 72671378]

約数ペア:

[(1, 72671378), (2, 36335689), (13, 5590106), (26, 2795053), (31, 2344238), (62, 1172119), (403, 180326), (806, 90163)]