639121088

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{525593}}^1$

素因数の和:525624

約数の個数: 28

約数和(自身を含む): 1335008760

約数和(自身を除く): 695887672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 525593, 1051186, 2102372, 4204744, 8409488, 9986267, 16818976, 19972534, 33637952, 39945068, 79890136, 159780272, 319560544, 639121088]

約数ペア:

[(1, 639121088), (2, 319560544), (4, 159780272), (8, 79890136), (16, 39945068), (19, 33637952), (32, 19972534), (38, 16818976), (64, 9986267), (76, 8409488), (152, 4204744), (304, 2102372), (608, 1051186), (1216, 525593)]