127784356

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21031}}^1$

素因数の和:21080

約数の個数: 36

約数和(自身を含む): 268536576

約数和(自身を除く): 140752220

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 21031, 42062, 84124, 147217, 294434, 588868, 651961, 1030519, 1303922, 2061038, 2607844, 4122076, 4563727, 9127454, 18254908, 31946089, 63892178, 127784356]

約数ペア:

[(1, 127784356), (2, 63892178), (4, 31946089), (7, 18254908), (14, 9127454), (28, 4563727), (31, 4122076), (49, 2607844), (62, 2061038), (98, 1303922), (124, 1030519), (196, 651961), (217, 588868), (434, 294434), (868, 147217), (1519, 84124), (3038, 42062), (6076, 21031)]