221639496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{710383}}^1$

素因数の和:710405

約数の個数: 32

約数和(自身を含む): 596722560

約数和(自身を除く): 375083064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 710383, 1420766, 2131149, 2841532, 4262298, 5683064, 8524596, 9234979, 17049192, 18469958, 27704937, 36939916, 55409874, 73879832, 110819748, 221639496]

約数ペア:

[(1, 221639496), (2, 110819748), (3, 73879832), (4, 55409874), (6, 36939916), (8, 27704937), (12, 18469958), (13, 17049192), (24, 9234979), (26, 8524596), (39, 5683064), (52, 4262298), (78, 2841532), (104, 2131149), (156, 1420766), (312, 710383)]