221573231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 263450880

約数和(自身を除く): 41877649

約数列:

[1, 11, 19, 53, 83, 209, 241, 583, 913, 1007, 1577, 2651, 4399, 4579, 11077, 12773, 17347, 20003, 48389, 50369, 83581, 140503, 220033, 242687, 380057, 919391, 1060159, 2669557, 4180627, 11661749, 20143021, 221573231]

約数ペア:

[(1, 221573231), (11, 20143021), (19, 11661749), (53, 4180627), (83, 2669557), (209, 1060159), (241, 919391), (583, 380057), (913, 242687), (1007, 220033), (1577, 140503), (2651, 83581), (4399, 50369), (4579, 48389), (11077, 20003), (12773, 17347)]