253181878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 408326400

約数和(自身を除く): 155144522

約数列:

[1, 2, 19, 38, 67, 134, 277, 359, 554, 718, 1273, 2546, 5263, 6821, 10526, 13642, 18559, 24053, 37118, 48106, 99443, 198886, 352621, 457007, 705242, 914014, 1889417, 3778834, 6662681, 13325362, 126590939, 253181878]

約数ペア:

[(1, 253181878), (2, 126590939), (19, 13325362), (38, 6662681), (67, 3778834), (134, 1889417), (277, 914014), (359, 705242), (554, 457007), (718, 352621), (1273, 198886), (2546, 99443), (5263, 48106), (6821, 37118), (10526, 24053), (13642, 18559)]